2122122122112 has 32 divisors (see below), whose sum is σ = 5636886887880. Its totient is φ = 707374040576.

The previous prime is 2122122122069. The next prime is 2122122122179. The reversal of 2122122122112 is 2112212212212.

It is a tau number, because it is divible by the number of its divisors (32).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2763179463 + ... + 2763180230.

Almost surely, 2^{2122122122112} is an apocalyptic number.

It is an amenable number.

2122122122112 is an abundant number, since it is smaller than the sum of its proper divisors (3514764765768).

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

2122122122112 is an equidigital number, since it uses as much as digits as its factorization.

2122122122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5526359710 (or 5526359698 counting only the distinct ones).

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

Adding to 2122122122112 its reverse (2112212212212), we get a palindrome (4234334334324).

The spelling of 2122122122112 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred twelve".