222221002021120 has 72 divisors (see below), whose sum is σ = 532647675455616. Its totient is φ = 88828461815808.

The previous prime is 222221002021079. The next prime is 222221002021127. The reversal of 222221002021120 is 21120200122222.

It is not an unprimeable number, because it can be changed into a prime (222221002021127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56635192 + ... + 60431671.

It is an arithmetic number, because the mean of its divisors is an integer number (7397884381328).

Almost surely, 2^{222221002021120} is an apocalyptic number.

222221002021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222221002021120 is an abundant number, since it is smaller than the sum of its proper divisors (310426673434496).

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

222221002021120 is a wasteful number, since it uses less digits than its factorization.

222221002021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117068367 (or 117068353 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222221002021120 its reverse (21120200122222), we get a palindrome (243341202143342).

The spelling of 222221002021120 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two million, twenty-one thousand, one hundred twenty".