10112331220 has 12 divisors (see below), whose sum is σ = 21235895604. Its totient is φ = 4044932480.

The previous prime is 10112331217. The next prime is 10112331293. The reversal of 10112331220 is 2213321101.

It can be written as a sum of positive squares in 2 ways, for example, as 2077718724 + 8034612496 = 45582^2 + 89636^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10112331194 and 10112331203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252808261 + ... + 252808300.

It is an arithmetic number, because the mean of its divisors is an integer number (1769657967).

Almost surely, 2^10112331220 is an apocalyptic number.

10112331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10112331220 is an abundant number, since it is smaller than the sum of its proper divisors (11123564384).

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

10112331220 is a wasteful number, since it uses less digits than its factorization.

10112331220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505616570 (or 505616568 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10112331220 its reverse (2213321101), we get a palindrome (12325652321).

The spelling of 10112331220 in words is "ten billion, one hundred twelve million, three hundred thirty-one thousand, two hundred twenty".