2122200021112 has 8 divisors (see below), whose sum is σ = 3979125039600. Its totient is φ = 1061100010552.

The previous prime is 2122200021077. The next prime is 2122200021121. The reversal of 2122200021112 is 2111200022212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132637501312 + ... + 132637501327.

It is an arithmetic number, because the mean of its divisors is an integer number (497390629950).

Almost surely, 2^{2122200021112} is an apocalyptic number.

It is an amenable number.

2122200021112 is a deficient number, since it is larger than the sum of its proper divisors (1856925018488).

2122200021112 is a wasteful number, since it uses less digits than its factorization.

2122200021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265275002645 (or 265275002641 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2122200021112 its reverse (2111200022212), we get a palindrome (4233400043324).

The spelling of 2122200021112 in words is "two trillion, one hundred twenty-two billion, two hundred million, twenty-one thousand, one hundred twelve".