102010022111111 has 4 divisors (see below), whose sum is σ = 106445240463792. Its totient is φ = 97574803758432.

The previous prime is 102010022111087. The next prime is 102010022111113. The reversal of 102010022111111 is 111111220010201.

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 102010022111111 - 2³⁸ = 101735144204167 is a prime.

It is a super-2 number, since 2×102010022111111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010022111113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2217609176306 + ... + 2217609176351.

It is an arithmetic number, because the mean of its divisors is an integer number (26611310115948).

Almost surely, 2^{102010022111111} is an apocalyptic number.

102010022111111 is a deficient number, since it is larger than the sum of its proper divisors (4435218352681).

102010022111111 is an equidigital number, since it uses as much as digits as its factorization.

102010022111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4435218352680.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 102010022111111 its reverse (111111220010201), we get a palindrome (213121242121312).

The spelling of 102010022111111 in words is "one hundred two trillion, ten billion, twenty-two million, one hundred eleven thousand, one hundred eleven".