20110112121110 has 128 divisors (see below), whose sum is σ = 42213100285440. Its totient is φ = 6816858880000.

The previous prime is 20110112121083. The next prime is 20110112121131. The reversal of 20110112121110 is 1112121101102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 83897552 + ... + 84136908.

It is an arithmetic number, because the mean of its divisors is an integer number (329789845980).

Almost surely, 2^{20110112121110} is an apocalyptic number.

20110112121110 is an abundant number, since it is smaller than the sum of its proper divisors (22102988164330).

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

20110112121110 is a wasteful number, since it uses less digits than its factorization.

20110112121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239822.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 20110112121110 its reverse (1112121101102), we get a palindrome (21222233222212).

The spelling of 20110112121110 in words is "twenty trillion, one hundred ten billion, one hundred twelve million, one hundred twenty-one thousand, one hundred ten".