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2101012011222 = 2319232161321599
BaseRepresentation
bin11110100100101110000…
…100110001100011010110
321102212002010202200121220
4132210232010301203112
5233410333033324342
64245105214551210
7304536015301425
oct36445604614326
97385063680556
102101012011222
117400415639a3
1229b234808506
13123180928107
14739920a72bc
15399baebc5ec
hex1e92e1318d6

2101012011222 has 96 divisors (see below), whose sum is σ = 4626937728000. Its totient is φ = 634207818816.

The previous prime is 2101012011193. The next prime is 2101012011251. The reversal of 2101012011222 is 2221102101012.

It is an interprime number because it is at equal distance from previous prime (2101012011193) and next prime (2101012011251).

It is a super-2 number, since 2×21010120112222 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 97262779 + ... + 97284377.

It is an arithmetic number, because the mean of its divisors is an integer number (48197268000).

Almost surely, 22101012011222 is an apocalyptic number.

2101012011222 is an abundant number, since it is smaller than the sum of its proper divisors (2525925716778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101012011222 is a wasteful number, since it uses less digits than its factorization.

2101012011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23282 (or 23259 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2101012011222 its reverse (2221102101012), we get a palindrome (4322114112234).

The spelling of 2101012011222 in words is "two trillion, one hundred one billion, twelve million, eleven thousand, two hundred twenty-two".

Divisors: 1 2 3 6 19 23 38 46 57 69 114 138 437 529 874 1058 1311 1587 1613 2622 3174 3226 4839 9678 10051 20102 21599 30153 30647 37099 43198 60306 61294 64797 74198 91941 111297 129594 183882 222594 410381 496777 704881 820762 853277 993554 1231143 1409762 1490331 1706554 2114643 2462286 2559831 2980662 4229286 5119662 9438763 11425871 16212263 18877526 22851742 28316289 32424526 34277613 34839187 48636789 56632578 68555226 69678374 97273578 104517561 209035122 217091549 434183098 651274647 661944553 801301301 1302549294 1323889106 1602602602 1985833659 2403903903 3971667318 4807807806 15224724719 18429929923 30449449438 36859859846 45674174157 55289789769 91348348314 110579579538 350168668537 700337337074 1050506005611 2101012011222