22020122211 has 32 divisors (see below), whose sum is σ = 30532930560. Its totient is φ = 14099280384.

The previous prime is 22020122171. The next prime is 22020122239. The reversal of 22020122211 is 11222102022.

It is not a de Polignac number, because 22020122211 - 2¹¹ = 22020120163 is a prime.

22020122211 is a modest number, since divided by 122211 gives 22020 as remainder.

It is not an unprimeable number, because it can be changed into a prime (22020122251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18933316 + ... + 18934478.

It is an arithmetic number, because the mean of its divisors is an integer number (954154080).

Almost surely, 2^22020122211 is an apocalyptic number.

22020122211 is a deficient number, since it is larger than the sum of its proper divisors (8512808349).

22020122211 is a wasteful number, since it uses less digits than its factorization.

22020122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22020122211 its reverse (11222102022), we get a palindrome (33242224233).

The spelling of 22020122211 in words is "twenty-two billion, twenty million, one hundred twenty-two thousand, two hundred eleven".