2331012112220 has 24 divisors (see below), whose sum is σ = 5340136839408. Its totient is φ = 847640768000.

The previous prime is 2331012112211. The next prime is 2331012112267. The reversal of 2331012112220 is 222112101332.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2331012112192 and 2331012112201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5297754581 + ... + 5297755020.

It is an arithmetic number, because the mean of its divisors is an integer number (222505701642).

Almost surely, 2^{2331012112220} is an apocalyptic number.

2331012112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331012112220 is an abundant number, since it is smaller than the sum of its proper divisors (3009124727188).

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

2331012112220 is a wasteful number, since it uses less digits than its factorization.

2331012112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10595509621 (or 10595509619 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2331012112220 its reverse (222112101332), we get a palindrome (2553124213552).

The spelling of 2331012112220 in words is "two trillion, three hundred thirty-one billion, twelve million, one hundred twelve thousand, two hundred twenty".