20222220212112 has 80 divisors (see below), whose sum is σ = 54513368921088. Its totient is φ = 6447511002240.

The previous prime is 20222220212099. The next prime is 20222220212167. The reversal of 20222220212112 is 21121202222202.

It is a super-2 number, since 2×20222220212112² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51829437 + ... + 52218147.

Almost surely, 2^{20222220212112} is an apocalyptic number.

It is an amenable number.

20222220212112 is an abundant number, since it is smaller than the sum of its proper divisors (34291148708976).

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

20222220212112 is a wasteful number, since it uses less digits than its factorization.

20222220212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435868 (or 435862 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 20222220212112 its reverse (21121202222202), we get a palindrome (41343422434314).

The spelling of 20222220212112 in words is "twenty trillion, two hundred twenty-two billion, two hundred twenty million, two hundred twelve thousand, one hundred twelve".