2122222211012 has 12 divisors (see below), whose sum is σ = 3716752323900. Its totient is φ = 1060292975616.

The previous prime is 2122222211009. The next prime is 2122222211023. The reversal of 2122222211012 is 2101122222212.

It can be written as a sum of positive squares in 2 ways, for example, as 2024718401476 + 97503809536 = 1422926^2 + 312256^2 .

It is a super-2 number, since 2×2122222211012² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204526637 + ... + 204537012.

It is an arithmetic number, because the mean of its divisors is an integer number (309729360325).

Almost surely, 2^{2122222211012} is an apocalyptic number.

It is an amenable number.

2122222211012 is a deficient number, since it is larger than the sum of its proper divisors (1594530112888).

2122222211012 is a wasteful number, since it uses less digits than its factorization.

2122222211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409064950 (or 409064948 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2122222211012 its reverse (2101122222212), we get a palindrome (4223344433224).

The spelling of 2122222211012 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred eleven thousand, twelve".