10112212220 has 24 divisors (see below), whose sum is σ = 23166159408. Its totient is φ = 3677168000.

The previous prime is 10112212219. The next prime is 10112212237. The reversal of 10112212220 is 2221221101.

It is a junction number, because it is equal to n+sod(n) for n = 10112212195 and 10112212204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22982081 + ... + 22982520.

It is an arithmetic number, because the mean of its divisors is an integer number (965256642).

Almost surely, 2^10112212220 is an apocalyptic number.

10112212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10112212220 is an abundant number, since it is smaller than the sum of its proper divisors (13053947188).

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

10112212220 is a wasteful number, since it uses less digits than its factorization.

10112212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45964621 (or 45964619 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10112212220 its reverse (2221221101), we get a palindrome (12333433321).

The spelling of 10112212220 in words is "ten billion, one hundred twelve million, two hundred twelve thousand, two hundred twenty".