231101101200 has 60 divisors (see below), whose sum is σ = 740293864688. Its totient is φ = 61626960000.

The previous prime is 231101101183. The next prime is 231101101237. The reversal of 231101101200 is 2101101132.

It is a tau number, because it is divible by the number of its divisors (60).

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

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, 96290926 + ... + 96293325.

Almost surely, 2^231101101200 is an apocalyptic number.

231101101200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231101101200 is an abundant number, since it is smaller than the sum of its proper divisors (509192763488).

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

231101101200 is a wasteful number, since it uses less digits than its factorization.

231101101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192584272 (or 192584261 counting only the distinct ones).

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

Adding to 231101101200 its reverse (2101101132), we get a palindrome (233202202332).

The spelling of 231101101200 in words is "two hundred thirty-one billion, one hundred one million, one hundred one thousand, two hundred".