20101122010110 has 64 divisors (see below), whose sum is σ = 48713592844800. Its totient is φ = 5307982373760.

The previous prime is 20101122010093. The next prime is 20101122010111. The reversal of 20101122010110 is 1101022110102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101122010111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63338125 + ... + 63654695.

It is an arithmetic number, because the mean of its divisors is an integer number (761149888200).

Almost surely, 2^{20101122010110} is an apocalyptic number.

20101122010110 is an abundant number, since it is smaller than the sum of its proper divisors (28612470834690).

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

20101122010110 is a wasteful number, since it uses less digits than its factorization.

20101122010110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337233.

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

Adding to 20101122010110 its reverse (1101022110102), we get a palindrome (21202144120212).

The spelling of 20101122010110 in words is "twenty trillion, one hundred one billion, one hundred twenty-two million, ten thousand, one hundred ten".