20101112120110 has 32 divisors (see below), whose sum is σ = 41375814713280. Its totient is φ = 6887650620672.

The previous prime is 20101112120099. The next prime is 20101112120227. The reversal of 20101112120110 is 1102121110102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86534205 + ... + 86766184.

It is an arithmetic number, because the mean of its divisors is an integer number (1292994209790).

Almost surely, 2^{20101112120110} is an apocalyptic number.

20101112120110 is an abundant number, since it is smaller than the sum of its proper divisors (21274702593170).

20101112120110 is a wasteful number, since it uses less digits than its factorization.

20101112120110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173302060.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20101112120110 its reverse (1102121110102), we get a palindrome (21203233230212).

The spelling of 20101112120110 in words is "twenty trillion, one hundred one billion, one hundred twelve million, one hundred twenty thousand, one hundred ten".