231111200111000 has 256 divisors, whose sum is σ = 592473870817920. Its totient is φ = 83683368960000.

The previous prime is 231111200110991. The next prime is 231111200111009. The reversal of 231111200111000 is 111002111132.

231111200111000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231111200110991) and next prime (231111200111009).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231111200111009) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3922361540 + ... + 3922420460.

Almost surely, 2^{231111200111000} is an apocalyptic number.

231111200111000 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 231111200111000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296236935408960).

231111200111000 is an abundant number, since it is smaller than the sum of its proper divisors (361362670706920).

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

231111200111000 is a wasteful number, since it uses less digits than its factorization.

231111200111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60463 (or 60449 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 231111200111000 its reverse (111002111132), we get a palindrome (231222202222132).

The spelling of 231111200111000 in words is "two hundred thirty-one trillion, one hundred eleven billion, two hundred million, one hundred eleven thousand".