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12110011122021 = 3171885912590869
BaseRepresentation
bin1011000000111001010011…
…1010010100000101100101
31120212201001111102010201020
42300032110322110011211
53041402300321401041
641431132354121353
72356630236064461
oct260162472240545
946781044363636
1012110011122021
11394991063106a
121437002280259
1369ac7a2b1c67
142dc1b04594a1
15160020eb3866
hexb0394e94165

12110011122021 has 16 divisors (see below), whose sum is σ = 17097394190400. Its totient is φ = 7598034839808.

The previous prime is 12110011122017. The next prime is 12110011122061. The reversal of 12110011122021 is 12022111001121.

It is a happy number.

It is not a de Polignac number, because 12110011122021 - 22 = 12110011122017 is a prime.

It is a super-2 number, since 2×121100111220212 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110011122061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5333626 + ... + 7257243.

It is an arithmetic number, because the mean of its divisors is an integer number (1068587136900).

Almost surely, 212110011122021 is an apocalyptic number.

It is an amenable number.

12110011122021 is a deficient number, since it is larger than the sum of its proper divisors (4987383068379).

12110011122021 is a wasteful number, since it uses less digits than its factorization.

12110011122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12609748.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12110011122021 its reverse (12022111001121), we get a palindrome (24132122123142).

The spelling of 12110011122021 in words is "twelve trillion, one hundred ten billion, eleven million, one hundred twenty-two thousand, twenty-one".

Divisors: 1 3 17 51 18859 56577 320603 961809 12590869 37772607 214044773 642134319 237451198471 712353595413 4036670374007 12110011122021