11312021021100 has 36 divisors (see below), whose sum is σ = 32729447488584. Its totient is φ = 3016538938880.

The previous prime is 11312021021069. The next prime is 11312021021101. The reversal of 11312021021100 is 112012021311.

11312021021100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11312021021100.

It is not an unprimeable number, because it can be changed into a prime (11312021021101) 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, 18853368069 + ... + 18853368668.

Almost surely, 2^{11312021021100} is an apocalyptic number.

11312021021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11312021021100 is an abundant number, since it is smaller than the sum of its proper divisors (21417426467484).

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

11312021021100 is a wasteful number, since it uses less digits than its factorization.

11312021021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37706736754 (or 37706736747 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11312021021100 its reverse (112012021311), we get a palindrome (11424033042411).

The spelling of 11312021021100 in words is "eleven trillion, three hundred twelve billion, twenty-one million, twenty-one thousand, one hundred".