222102022121112 has 64 divisors (see below), whose sum is σ = 637865170951680. Its totient is φ = 63128924116992.

The previous prime is 222102022121081. The next prime is 222102022121131. The reversal of 222102022121112 is 211121220201222.

It is a super-2 number, since 2×222102022121112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 3424930908 + ... + 3424995755.

It is an arithmetic number, because the mean of its divisors is an integer number (9966643296120).

Almost surely, 2^{222102022121112} is an apocalyptic number.

It is an amenable number.

222102022121112 is an abundant number, since it is smaller than the sum of its proper divisors (415763148830568).

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

222102022121112 is a wasteful number, since it uses less digits than its factorization.

222102022121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6849926872 (or 6849926868 counting only the distinct ones).

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

Adding to 222102022121112 its reverse (211121220201222), we get a palindrome (433223242322334).

The spelling of 222102022121112 in words is "two hundred twenty-two trillion, one hundred two billion, twenty-two million, one hundred twenty-one thousand, one hundred twelve".