10221220111102 has 96 divisors (see below), whose sum is σ = 21074111229024. Its totient is φ = 3654714067200.

The previous prime is 10221220111099. The next prime is 10221220111111. The reversal of 10221220111102 is 20111102212201.

10221220111102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 316452 + ... + 4532392.

It is an arithmetic number, because the mean of its divisors is an integer number (219521991969).

Almost surely, 2^{10221220111102} is an apocalyptic number.

10221220111102 is an abundant number, since it is smaller than the sum of its proper divisors (10852891117922).

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

10221220111102 is a wasteful number, since it uses less digits than its factorization.

10221220111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216154 (or 4216147 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10221220111102 its reverse (20111102212201), we get a palindrome (30332322323303).

The spelling of 10221220111102 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty million, one hundred eleven thousand, one hundred two".