11112111021100 has 36 divisors (see below), whose sum is σ = 24473180645704. Its totient is φ = 4378503444480.

The previous prime is 11112111021073. The next prime is 11112111021107. The reversal of 11112111021100 is 112011121111.

11112111021100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11112111021100² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11112111021107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 829255317 + ... + 829268716.

Almost surely, 2^{11112111021100} is an apocalyptic number.

11112111021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112111021100 is an abundant number, since it is smaller than the sum of its proper divisors (13361069624604).

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

11112111021100 is a wasteful number, since it uses less digits than its factorization.

11112111021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658524114 (or 1658524107 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11112111021100 its reverse (112011121111), we get a palindrome (11224122142211).

The spelling of 11112111021100 in words is "eleven trillion, one hundred twelve billion, one hundred eleven million, twenty-one thousand, one hundred".