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122101102001020 = 22543114164861021
BaseRepresentation
bin11011110000110011100000…
…110011111011101101111100
3121000022202021201212200100211
4123300303200303323231330
5112001001024103013040
61111404245532402204
734501341063416542
oct3360634063735574
9530282251780324
10122101102001020
11359a5871a0183a
1211840018016364
1353191138a218c
142221a2107dd92
15e1b1e349b8ea
hex6f0ce0cfbb7c

122101102001020 has 24 divisors (see below), whose sum is σ = 257007238383168. Its totient is φ = 48727121908800.

The previous prime is 122101102000991. The next prime is 122101102001101. The reversal of 122101102001020 is 20100201101221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7082421891 + ... + 7082439130.

It is an arithmetic number, because the mean of its divisors is an integer number (10708634932632).

Almost surely, 2122101102001020 is an apocalyptic number.

122101102001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122101102001020 is an abundant number, since it is smaller than the sum of its proper divisors (134906136382148).

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

122101102001020 is a wasteful number, since it uses less digits than its factorization.

122101102001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14164861461 (or 14164861459 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122101102001020 its reverse (20100201101221), we get a palindrome (142201303102241).

The spelling of 122101102001020 in words is "one hundred twenty-two trillion, one hundred one billion, one hundred two million, one thousand, twenty".

Divisors: 1 2 4 5 10 20 431 862 1724 2155 4310 8620 14164861021 28329722042 56659444084 70824305105 141648610210 283297220420 6105055100051 12210110200102 24420220400204 30525275500255 61050551000510 122101102001020