2120122221011 has 16 divisors (see below), whose sum is σ = 2161494115200. Its totient is φ = 2079132676608.

The previous prime is 2120122220989. The next prime is 2120122221029. The reversal of 2120122221011 is 1101222210212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120122221011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120122221031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80480480 + ... + 80506818.

It is an arithmetic number, because the mean of its divisors is an integer number (135093382200).

Almost surely, 2^{2120122221011} is an apocalyptic number.

2120122221011 is a deficient number, since it is larger than the sum of its proper divisors (41371894189).

2120122221011 is a wasteful number, since it uses less digits than its factorization.

2120122221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33538.

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

Adding to 2120122221011 its reverse (1101222210212), we get a palindrome (3221344431223).

The spelling of 2120122221011 in words is "two trillion, one hundred twenty billion, one hundred twenty-two million, two hundred twenty-one thousand, eleven".