20101131120910 has 64 divisors (see below), whose sum is σ = 41447607211008. Its totient is φ = 6875702786304.

The previous prime is 20101131120901. The next prime is 20101131120911. The reversal of 20101131120910 is 1902113110102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101131120911) 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, 230508337 + ... + 230595523.

It is an arithmetic number, because the mean of its divisors is an integer number (647618862672).

Almost surely, 2^{20101131120910} is an apocalyptic number.

20101131120910 is an abundant number, since it is smaller than the sum of its proper divisors (21346476090098).

20101131120910 is a wasteful number, since it uses less digits than its factorization.

20101131120910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94865.

The product of its (nonzero) digits is 108, while the sum is 22.

The spelling of 20101131120910 in words is "twenty trillion, one hundred one billion, one hundred thirty-one million, one hundred twenty thousand, nine hundred ten".