102011111112222 has 48 divisors (see below), whose sum is σ = 242060263688880. Its totient is φ = 30856033604736.

The previous prime is 102011111112217. The next prime is 102011111112227. The reversal of 102011111112222 is 222211111110201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102011111112217) and next prime (102011111112227).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102011111112195 and 102011111112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011111112227) 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 23 ways as a sum of consecutive naturals, for example, 3694434663 + ... + 3694462274.

It is an arithmetic number, because the mean of its divisors is an integer number (5042922160185).

Almost surely, 2^{102011111112222} is an apocalyptic number.

102011111112222 is an abundant number, since it is smaller than the sum of its proper divisors (140049152576658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102011111112222 is a wasteful number, since it uses less digits than its factorization.

102011111112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7388897017 (or 7388897014 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 102011111112222 its reverse (222211111110201), we get a palindrome (324222222222423).

The spelling of 102011111112222 in words is "one hundred two trillion, eleven billion, one hundred eleven million, one hundred twelve thousand, two hundred twenty-two".