100111211011100 has 36 divisors (see below), whose sum is σ = 217245804118224. Its totient is φ = 40043659294080.

The previous prime is 100111211011099. The next prime is 100111211011127. The reversal of 100111211011100 is 1110112111001.

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 11 ways as a sum of consecutive naturals, for example, 5424857 + ... + 15154256.

Almost surely, 2^{100111211011100} is an apocalyptic number.

100111211011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100111211011100 is an abundant number, since it is smaller than the sum of its proper divisors (117134593107124).

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

100111211011100 is a wasteful number, since it uses less digits than its factorization.

100111211011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20627774 (or 20627767 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 100111211011100 its reverse (1110112111001), we get a palindrome (101221323122101).

The spelling of 100111211011100 in words is "one hundred trillion, one hundred eleven billion, two hundred eleven million, eleven thousand, one hundred".