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12101002101111 = 371152385290481
BaseRepresentation
bin1011000000010111101111…
…1011101000000101110111
31120211211210122100110100010
42300011323323220011313
53041230323014213421
641423042411351303
72356161053502420
oct260057373500567
946754718313303
1012101002101111
113946008239340
121435309152533
1369a1729c3961
142db997b76647
1515eb95104076
hexb017bee8177

12101002101111 has 16 divisors (see below), whose sum is σ = 20115951545088. Its totient is φ = 6286234857600.

The previous prime is 12101002101107. The next prime is 12101002101131. The reversal of 12101002101111 is 11110120010121.

It is not a de Polignac number, because 12101002101111 - 22 = 12101002101107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101002101131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26192645010 + ... + 26192645471.

It is an arithmetic number, because the mean of its divisors is an integer number (1257246971568).

Almost surely, 212101002101111 is an apocalyptic number.

12101002101111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12101002101111 is a deficient number, since it is larger than the sum of its proper divisors (8014949443977).

12101002101111 is a wasteful number, since it uses less digits than its factorization.

12101002101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52385290502.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 12101002101111 its reverse (11110120010121), we get a palindrome (23211122111232).

The spelling of 12101002101111 in words is "twelve trillion, one hundred one billion, two million, one hundred one thousand, one hundred eleven".

Divisors: 1 3 7 11 21 33 77 231 52385290481 157155871443 366697033367 576238195291 1100091100101 1728714585873 4033667367037 12101002101111