11100111100212 has 24 divisors (see below), whose sum is σ = 25974899760096. Its totient is φ = 3689374101088.

The previous prime is 11100111100207. The next prime is 11100111100237. The reversal of 11100111100212 is 21200111100111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1332862203 + ... + 1332870530.

It is an arithmetic number, because the mean of its divisors is an integer number (1082287490004).

Almost surely, 2^{11100111100212} is an apocalyptic number.

11100111100212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11100111100212 is an abundant number, since it is smaller than the sum of its proper divisors (14874788659884).

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

11100111100212 is a wasteful number, since it uses less digits than its factorization.

11100111100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665733087 (or 2665733085 counting only the distinct ones).

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

Adding to 11100111100212 its reverse (21200111100111), we get a palindrome (32300222200323).

The spelling of 11100111100212 in words is "eleven trillion, one hundred billion, one hundred eleven million, one hundred thousand, two hundred twelve".