222220112012120 has 32 divisors (see below), whose sum is σ = 506324305857600. Its totient is φ = 87762879679488.

The previous prime is 222220112012089. The next prime is 222220112012147. The reversal of 222220112012120 is 21210211022222.

222220112012120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 222220112012092 and 222220112012101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35161406969 + ... + 35161413288.

It is an arithmetic number, because the mean of its divisors is an integer number (15822634558050).

Almost surely, 2^{222220112012120} is an apocalyptic number.

222220112012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222220112012120 is an abundant number, since it is smaller than the sum of its proper divisors (284104193845480).

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

222220112012120 is a wasteful number, since it uses less digits than its factorization.

222220112012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70322820347 (or 70322820343 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222220112012120 its reverse (21210211022222), we get a palindrome (243430323034342).

The spelling of 222220112012120 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred twelve million, twelve thousand, one hundred twenty".