2122220111011 has 128 divisors (see below), whose sum is σ = 2966604963840. Its totient is φ = 1465299763200.

The previous prime is 2122220110979. The next prime is 2122220111021. The reversal of 2122220111011 is 1101110222212.

It is not a de Polignac number, because 2122220111011 - 2⁵ = 2122220110979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122220111021) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 473601891 + ... + 473606371.

It is an arithmetic number, because the mean of its divisors is an integer number (23176601280).

Almost surely, 2^{2122220111011} is an apocalyptic number.

2122220111011 is a deficient number, since it is larger than the sum of its proper divisors (844384852829).

2122220111011 is a wasteful number, since it uses less digits than its factorization.

2122220111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4757.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2122220111011 its reverse (1101110222212), we get a palindrome (3223330333223).

It can be divided in two parts, 21222201 and 11011, that added together give a palindrome (21233212).

The spelling of 2122220111011 in words is "two trillion, one hundred twenty-two billion, two hundred twenty million, one hundred eleven thousand, eleven".