1011122220122 has 16 divisors (see below), whose sum is σ = 1770232216320. Its totient is φ = 424118134608.

The previous prime is 1011122220011. The next prime is 1011122220149. The reversal of 1011122220122 is 2210222211101.

It is a self number, because there is not a number n which added to its sum of digits gives 1011122220122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768329297 + ... + 768330612.

It is an arithmetic number, because the mean of its divisors is an integer number (110639513520).

Almost surely, 2^{1011122220122} is an apocalyptic number.

1011122220122 is a deficient number, since it is larger than the sum of its proper divisors (759109996198).

1011122220122 is a wasteful number, since it uses less digits than its factorization.

1011122220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536659965.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1011122220122 its reverse (2210222211101), we get a palindrome (3221344431223).

The spelling of 1011122220122 in words is "one trillion, eleven billion, one hundred twenty-two million, two hundred twenty thousand, one hundred twenty-two".