222221122211120 has 80 divisors (see below), whose sum is σ = 523964675453760. Its totient is φ = 87632550297600.

The previous prime is 222221122211093. The next prime is 222221122211167. The reversal of 222221122211120 is 21112221122222.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126821936 + ... + 128562224.

It is an arithmetic number, because the mean of its divisors is an integer number (6549558443172).

Almost surely, 2^{222221122211120} is an apocalyptic number.

222221122211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222221122211120 is an abundant number, since it is smaller than the sum of its proper divisors (301743553242640).

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

222221122211120 is a wasteful number, since it uses less digits than its factorization.

222221122211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762854 (or 1762848 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 222221122211120 its reverse (21112221122222), we get a palindrome (243333343333342).

The spelling of 222221122211120 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one hundred twenty-two million, two hundred eleven thousand, one hundred twenty".