20222222222112 has 96 divisors (see below), whose sum is σ = 53156551553280. Its totient is φ = 6731445669120.

The previous prime is 20222222222009. The next prime is 20222222222141. The reversal of 20222222222112 is 21122222222202.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697808839 + ... + 697837817.

It is an arithmetic number, because the mean of its divisors is an integer number (553714078680).

Almost surely, 2^{20222222222112} is an apocalyptic number.

It is an amenable number.

20222222222112 is an abundant number, since it is smaller than the sum of its proper divisors (32934329331168).

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

20222222222112 is a wasteful number, since it uses less digits than its factorization.

20222222222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38766 (or 38758 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 20222222222112 its reverse (21122222222202), we get a palindrome (41344444444314).

The spelling of 20222222222112 in words is "twenty trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred twelve".