231000021110112 has 96 divisors (see below), whose sum is σ = 614200139642880. Its totient is φ = 76006819998720.

The previous prime is 231000021110071. The next prime is 231000021110129. The reversal of 231000021110112 is 211011120000132.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×231000021110112² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231000021110091 and 231000021110100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27473268 + ... + 34882380.

It is an arithmetic number, because the mean of its divisors is an integer number (6397918121280).

Almost surely, 2^{231000021110112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231000021110112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307100069821440).

231000021110112 is an abundant number, since it is smaller than the sum of its proper divisors (383200118532768).

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

231000021110112 is a wasteful number, since it uses less digits than its factorization.

231000021110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7413316 (or 7413308 counting only the distinct ones).

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

Adding to 231000021110112 its reverse (211011120000132), we get a palindrome (442011141110244).

The spelling of 231000021110112 in words is "two hundred thirty-one trillion, twenty-one million, one hundred ten thousand, one hundred twelve".