102221011110 has 128 divisors (see below), whose sum is σ = 257728573440. Its totient is φ = 25928641152.

The previous prime is 102221011099. The next prime is 102221011133. The reversal of 102221011110 is 11110122201.

It is a super-2 number, since 2×102221011110² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 115243087 + ... + 115243973.

It is an arithmetic number, because the mean of its divisors is an integer number (2013504480).

Almost surely, 2^102221011110 is an apocalyptic number.

102221011110 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 102221011110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128864286720).

102221011110 is an abundant number, since it is smaller than the sum of its proper divisors (155507562330).

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

102221011110 is an frugal number, since it uses more digits than its factorization.

102221011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075 (or 981 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102221011110 its reverse (11110122201), we get a palindrome (113331133311).

The spelling of 102221011110 in words is "one hundred two billion, two hundred twenty-one million, eleven thousand, one hundred ten".