102221221111110 has 48 divisors (see below), whose sum is σ = 269741968559856. Its totient is φ = 26852141663424.

The previous prime is 102221221111109. The next prime is 102221221111147. The reversal of 102221221111110 is 11111122122201.

It is a happy number.

102221221111110 is a `hidden beast` number, since 1 + 0 + 2 + 221 + 221 + 111 + 110 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8476048789 + ... + 8476060848.

It is an arithmetic number, because the mean of its divisors is an integer number (5619624344997).

Almost surely, 2^{102221221111110} is an apocalyptic number.

102221221111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102221221111110 is an abundant number, since it is smaller than the sum of its proper divisors (167520747448746).

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

102221221111110 is a wasteful number, since it uses less digits than its factorization.

102221221111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16952109717 (or 16952109714 counting only the distinct ones).

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

Adding to 102221221111110 its reverse (11111122122201), we get a palindrome (113332343233311).

The spelling of 102221221111110 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred twenty-one million, one hundred eleven thousand, one hundred ten".