102212110000091 has 16 divisors (see below), whose sum is σ = 126155892617664. Its totient is φ = 80642023317504.

The previous prime is 102212110000019. The next prime is 102212110000123. The reversal of 102212110000091 is 190000011212201.

It is a cyclic number.

It is not a de Polignac number, because 102212110000091 - 2¹⁴ = 102212109983707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102212110000001) 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, 1590916886 + ... + 1590981131.

It is an arithmetic number, because the mean of its divisors is an integer number (7884743288604).

Almost surely, 2^{102212110000091} is an apocalyptic number.

102212110000091 is a deficient number, since it is larger than the sum of its proper divisors (23943782617573).

102212110000091 is a wasteful number, since it uses less digits than its factorization.

102212110000091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181898390.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 102212110000091 its reverse (190000011212201), we get a palindrome (292212121212292).

The spelling of 102212110000091 in words is "one hundred two trillion, two hundred twelve billion, one hundred ten million, ninety-one", and thus it is an aban number.