10221220111010 has 16 divisors (see below), whose sum is σ = 18398314553472. Its totient is φ = 4088461743600.

The previous prime is 10221220110961. The next prime is 10221220111033. The reversal of 10221220111010 is 1011102212201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1614836 + ... + 4801055.

It is an arithmetic number, because the mean of its divisors is an integer number (1149894659592).

Almost surely, 2^{10221220111010} is an apocalyptic number.

10221220111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221220111010 is a deficient number, since it is larger than the sum of its proper divisors (8177094442462).

10221220111010 is a wasteful number, since it uses less digits than its factorization.

10221220111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6575209.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10221220111010 its reverse (1011102212201), we get a palindrome (11232322323211).

The spelling of 10221220111010 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty million, one hundred eleven thousand, ten".