100111122101010 has 64 divisors (see below), whose sum is σ = 246767778186624. Its totient is φ = 25973999654400.

The previous prime is 100111122100991. The next prime is 100111122101071. The reversal of 100111122101010 is 10101221111001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36196470 + ... + 38863950.

It is an arithmetic number, because the mean of its divisors is an integer number (3855746534166).

Almost surely, 2^{100111122101010} is an apocalyptic number.

100111122101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100111122101010 is an abundant number, since it is smaller than the sum of its proper divisors (146656656085614).

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

100111122101010 is a wasteful number, since it uses less digits than its factorization.

100111122101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2701339.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 100111122101010 its reverse (10101221111001), we get a palindrome (110212343212011).

Subtracting from 100111122101010 its reverse (10101221111001), we obtain a palindrome (90009900990009).

The spelling of 100111122101010 in words is "one hundred trillion, one hundred eleven billion, one hundred twenty-two million, one hundred one thousand, ten".