11122001222122 has 24 divisors (see below), whose sum is σ = 19406903091876. Its totient is φ = 4766536127808.

The previous prime is 11122001222093. The next prime is 11122001222149. The reversal of 11122001222122 is 22122210022111.

It can be written as a sum of positive squares in 2 ways, for example, as 11093036245641 + 28964976481 = 3330621^2 + 170191^2 .

It is a super-2 number, since 2×11122001222122² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11122001222122.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15821388 + ... + 16509400.

Almost surely, 2^{11122001222122} is an apocalyptic number.

11122001222122 is a deficient number, since it is larger than the sum of its proper divisors (8284901869754).

11122001222122 is a wasteful number, since it uses less digits than its factorization.

11122001222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852982 (or 852975 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11122001222122 its reverse (22122210022111), we get a palindrome (33244211244233).

The spelling of 11122001222122 in words is "eleven trillion, one hundred twenty-two billion, one million, two hundred twenty-two thousand, one hundred twenty-two".