222212021021120 has 224 divisors, whose sum is σ = 571190583328512. Its totient is φ = 81853939335168.

The previous prime is 222212021021117. The next prime is 222212021021161. The reversal of 222212021021120 is 21120120212222.

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 = 222212021021092 and 222212021021101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14123936774 + ... + 14123952506.

It is an arithmetic number, because the mean of its divisors is an integer number (2549957961288).

Almost surely, 2^{222212021021120} is an apocalyptic number.

222212021021120 is a gapful number since it is divisible by the number (20) 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 222212021021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285595291664256).

222212021021120 is an abundant number, since it is smaller than the sum of its proper divisors (348978562307392).

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

222212021021120 is a wasteful number, since it uses less digits than its factorization.

222212021021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23559 (or 23549 counting only the distinct ones).

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

Adding to 222212021021120 its reverse (21120120212222), we get a palindrome (243332141233342).

The spelling of 222212021021120 in words is "two hundred twenty-two trillion, two hundred twelve billion, twenty-one million, twenty-one thousand, one hundred twenty".