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121021101122 = 21929331331781
BaseRepresentation
bin111000010110101101…
…0110111010001000010
3102120101011112220220112
41300231122313101002
53440322400213442
6131332450111322
711513005246415
oct1605532672102
9376334486815
10121021101122
1147363290549
121b55587b542
13b548901c0c
145c00bc7b7c
153234954082
hex1c2d6b7442

121021101122 has 32 divisors (see below), whose sum is σ = 198272923200. Its totient is φ = 55181649600.

The previous prime is 121021101067. The next prime is 121021101133. The reversal of 121021101122 is 221101120121.

It is a super-2 number, since 2×1210211011222 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121021101097 and 121021101106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198872 + ... + 530652.

It is an arithmetic number, because the mean of its divisors is an integer number (6196028850).

Almost surely, 2121021101122 is an apocalyptic number.

121021101122 is a deficient number, since it is larger than the sum of its proper divisors (77251822078).

121021101122 is a wasteful number, since it uses less digits than its factorization.

121021101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332162.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121021101122 its reverse (221101120121), we get a palindrome (342122221243).

The spelling of 121021101122 in words is "one hundred twenty-one billion, twenty-one million, one hundred one thousand, one hundred twenty-two".

Divisors: 1 2 19 29 38 58 331 551 662 1102 6289 9599 12578 19198 182381 331781 364762 663562 6303839 9621649 12607678 19243298 109819511 182811331 219639022 365622662 2086570709 3184765819 4173141418 6369531638 60510550561 121021101122