222211022121120 has 96 divisors (see below), whose sum is σ = 741139114984128. Its totient is φ = 55770609471488.

The previous prime is 222211022121107. The next prime is 222211022121157. The reversal of 222211022121120 is 21121220112222.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×222211022121120² (a number of 29 digits) contains 22 as substring.

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, 13615863294 + ... + 13615879613.

It is an arithmetic number, because the mean of its divisors is an integer number (7720199114418).

Almost surely, 2^{222211022121120} is an apocalyptic number.

222211022121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222211022121120 is an abundant number, since it is smaller than the sum of its proper divisors (518928092863008).

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

222211022121120 is a wasteful number, since it uses less digits than its factorization.

222211022121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27231742942 (or 27231742934 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222211022121120 its reverse (21121220112222), we get a palindrome (243332242233342).

The spelling of 222211022121120 in words is "two hundred twenty-two trillion, two hundred eleven billion, twenty-two million, one hundred twenty-one thousand, one hundred twenty".