102212010031111 has 4 divisors (see below), whose sum is σ = 102233036987224. Its totient is φ = 102190983075000.

The previous prime is 102212010031039. The next prime is 102212010031123. The reversal of 102212010031111 is 111130010212201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102212010031111 - 2¹⁹ = 102212009506823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212010031811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10513470765 + ... + 10513480486.

It is an arithmetic number, because the mean of its divisors is an integer number (25558259246806).

Almost surely, 2^{102212010031111} is an apocalyptic number.

102212010031111 is a deficient number, since it is larger than the sum of its proper divisors (21026956113).

102212010031111 is an equidigital number, since it uses as much as digits as its factorization.

102212010031111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21026956112.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 102212010031111 its reverse (111130010212201), we get a palindrome (213342020243312).

The spelling of 102212010031111 in words is "one hundred two trillion, two hundred twelve billion, ten million, thirty-one thousand, one hundred eleven".