2231112332100 has 144 divisors (see below), whose sum is σ = 6630756104448. Its totient is φ = 578801525760.

The previous prime is 2231112332021. The next prime is 2231112332129. The reversal of 2231112332100 is 12332111322.

It is a super-3 number, since 3×2231112332100³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 154427077 + ... + 154441523.

It is an arithmetic number, because the mean of its divisors is an integer number (46046917392).

Almost surely, 2^{2231112332100} is an apocalyptic number.

2231112332100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231112332100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3315378052224).

2231112332100 is an abundant number, since it is smaller than the sum of its proper divisors (4399643772348).

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

2231112332100 is a wasteful number, since it uses less digits than its factorization.

2231112332100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28414 (or 28407 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2231112332100 its reverse (12332111322), we get a palindrome (2243444443422).

The spelling of 2231112332100 in words is "two trillion, two hundred thirty-one billion, one hundred twelve million, three hundred thirty-two thousand, one hundred".