10111212111110 has 128 divisors (see below), whose sum is σ = 20686642099200. Its totient is φ = 3524592960000.

The previous prime is 10111212111097. The next prime is 10111212111137. The reversal of 10111212111110 is 1111121211101.

It is a super-2 number, since 2×10111212111110² (a number of 27 digits) contains 22 as substring.

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, 1112217665 + ... + 1112226755.

It is an arithmetic number, because the mean of its divisors is an integer number (161614391400).

Almost surely, 2^{10111212111110} is an apocalyptic number.

10111212111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10111212111110 is an abundant number, since it is smaller than the sum of its proper divisors (10575429988090).

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

10111212111110 is a wasteful number, since it uses less digits than its factorization.

10111212111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11598.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 10111212111110 its reverse (1111121211101), we get a palindrome (11222333322211).

Subtracting from 10111212111110 its reverse (1111121211101), we obtain a palindrome (9000090900009).

It can be divided in two parts, 1011 and 1212111110, that added together give a palindrome (1212112121).

The spelling of 10111212111110 in words is "ten trillion, one hundred eleven billion, two hundred twelve million, one hundred eleven thousand, one hundred ten".