20101102221010 has 16 divisors (see below), whose sum is σ = 36617911517376. Its totient is φ = 7943568106288.

The previous prime is 20101102220999. The next prime is 20101102221041. The reversal of 20101102221010 is 1012220110102.

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, 12109096894 + ... + 12109098553.

It is an arithmetic number, because the mean of its divisors is an integer number (2288619469836).

Almost surely, 2^{20101102221010} is an apocalyptic number.

20101102221010 is a deficient number, since it is larger than the sum of its proper divisors (16516809296366).

20101102221010 is a wasteful number, since it uses less digits than its factorization.

20101102221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24218195537.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20101102221010 its reverse (1012220110102), we get a palindrome (21113322331112).

The spelling of 20101102221010 in words is "twenty trillion, one hundred one billion, one hundred two million, two hundred twenty-one thousand, ten".