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2121010222030 = 257127652136587
BaseRepresentation
bin11110110111010110000…
…011111001001111001110
321111202200211221001120021
4132313112003321033032
5234222312104101110
64302213442012354
7306144416264140
oct36672603711716
97452624831507
102121010222030
11748573a80747
122a30960470ba
13125019b2754b
147492c044c90
153a28b9d32da
hex1edd60f93ce

2121010222030 has 64 divisors (see below), whose sum is σ = 4398371684352. Its totient is φ = 721347137280.

The previous prime is 2121010222027. The next prime is 2121010222033. The reversal of 2121010222030 is 302220101212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2121010222027) and next prime (2121010222033).

It is a junction number, because it is equal to n+sod(n) for n = 2121010221995 and 2121010222013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121010222033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57953397 + ... + 57989983.

It is an arithmetic number, because the mean of its divisors is an integer number (68724557568).

Almost surely, 22121010222030 is an apocalyptic number.

2121010222030 is an abundant number, since it is smaller than the sum of its proper divisors (2277361462322).

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

2121010222030 is a wasteful number, since it uses less digits than its factorization.

2121010222030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43249.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2121010222030 its reverse (302220101212), we get a palindrome (2423230323242).

The spelling of 2121010222030 in words is "two trillion, one hundred twenty-one billion, ten million, two hundred twenty-two thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 127 254 635 889 1270 1778 4445 6521 8890 13042 32605 36587 45647 65210 73174 91294 182935 228235 256109 365870 456470 512218 828167 1280545 1656334 2561090 4140835 4646549 5797169 8281670 9293098 11594338 23232745 28985845 32525843 46465490 57971690 65051686 162629215 238583827 325258430 477167654 1192919135 1670086789 2385838270 3340173578 8350433945 16700867890 30300146029 60600292058 151500730145 212101022203 303001460290 424202044406 1060505111015 2121010222030