10112220120 has 128 divisors (see below), whose sum is σ = 30699440640. Its totient is φ = 2664529920.

The previous prime is 10112220113. The next prime is 10112220149. The reversal of 10112220120 is 2102221101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10112220096 and 10112220105.

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 31 ways as a sum of consecutive naturals, for example, 4038789 + ... + 4041291.

It is an arithmetic number, because the mean of its divisors is an integer number (239839380).

Almost surely, 2^10112220120 is an apocalyptic number.

10112220120 is a gapful number since it is divisible by the number (10) 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 10112220120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15349720320).

10112220120 is an abundant number, since it is smaller than the sum of its proper divisors (20587220520).

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

10112220120 is a wasteful number, since it uses less digits than its factorization.

10112220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905 (or 2901 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10112220120 its reverse (2102221101), we get a palindrome (12214441221).

The spelling of 10112220120 in words is "ten billion, one hundred twelve million, two hundred twenty thousand, one hundred twenty".