22121112112202 has 32 divisors (see below), whose sum is σ = 33681471408000. Its totient is φ = 10895083848000.

The previous prime is 22121112112181. The next prime is 22121112112247. The reversal of 22121112112202 is 20221121112122.

It is a super-2 number, since 2×22121112112202² (a number of 27 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, 877147949 + ... + 877173167.

It is an arithmetic number, because the mean of its divisors is an integer number (1052545981500).

Almost surely, 2^{22121112112202} is an apocalyptic number.

22121112112202 is a deficient number, since it is larger than the sum of its proper divisors (11560359295798).

22121112112202 is a wasteful number, since it uses less digits than its factorization.

22121112112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47342.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22121112112202 its reverse (20221121112122), we get a palindrome (42342233224324).

The spelling of 22121112112202 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twelve million, one hundred twelve thousand, two hundred two".