102000012212021 has 32 divisors (see below), whose sum is σ = 127287965306880. Its totient is φ = 79406095723200.

The previous prime is 102000012212009. The next prime is 102000012212027. The reversal of 102000012212021 is 120212210000201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102000012212021 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102000012211987 and 102000012212005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102000012212027) 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, 823907636 + ... + 824031426.

It is an arithmetic number, because the mean of its divisors is an integer number (3977748915840).

Almost surely, 2^{102000012212021} is an apocalyptic number.

102000012212021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102000012212021 is a deficient number, since it is larger than the sum of its proper divisors (25287953094859).

102000012212021 is a wasteful number, since it uses less digits than its factorization.

102000012212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133745.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102000012212021 its reverse (120212210000201), we get a palindrome (222212222212222).

The spelling of 102000012212021 in words is "one hundred two trillion, twelve million, two hundred twelve thousand, twenty-one".