10111122211122 has 24 divisors (see below), whose sum is σ = 21907489977360. Its totient is φ = 3370365067320.

The previous prime is 10111122211087. The next prime is 10111122211159. The reversal of 10111122211122 is 22111222111101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10111122211095 and 10111122211104.

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, 12501129 + ... + 13285347.

It is an arithmetic number, because the mean of its divisors is an integer number (912812082390).

Almost surely, 2^{10111122211122} is an apocalyptic number.

10111122211122 is an abundant number, since it is smaller than the sum of its proper divisors (11796367766238).

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

10111122211122 is a wasteful number, since it uses less digits than its factorization.

10111122211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500518 (or 1500515 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 10111122211122 its reverse (22111222111101), we get a palindrome (32222344322223).

The spelling of 10111122211122 in words is "ten trillion, one hundred eleven billion, one hundred twenty-two million, two hundred eleven thousand, one hundred twenty-two".