102221111011110 has 256 divisors, whose sum is σ = 310245065754624. Its totient is φ = 20975222771712.

The previous prime is 102221111011049. The next prime is 102221111011193. The reversal of 102221111011110 is 11110111122201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102221111011110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 226339842 + ... + 226791018.

It is an arithmetic number, because the mean of its divisors is an integer number (1211894788104).

Almost surely, 2^{102221111011110} is an apocalyptic number.

102221111011110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102221111011110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155122532877312).

102221111011110 is an abundant number, since it is smaller than the sum of its proper divisors (208023954743514).

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

102221111011110 is a wasteful number, since it uses less digits than its factorization.

102221111011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453487.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 102221111011110 its reverse (11110111122201), we get a palindrome (113331222133311).

The spelling of 102221111011110 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred eleven million, eleven thousand, one hundred ten".