20222221111011 has 48 divisors (see below), whose sum is σ = 29584872445440. Its totient is φ = 13309381693440.

The previous prime is 20222221110991. The next prime is 20222221111061. The reversal of 20222221111011 is 11011112222202.

It is not a de Polignac number, because 20222221111011 - 2¹⁹ = 20222220586723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20222221111061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 955264635 + ... + 955285803.

It is an arithmetic number, because the mean of its divisors is an integer number (616351509280).

Almost surely, 2^{20222221111011} is an apocalyptic number.

20222221111011 is a deficient number, since it is larger than the sum of its proper divisors (9362651334429).

20222221111011 is a wasteful number, since it uses less digits than its factorization.

20222221111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24956 (or 24953 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 20222221111011 its reverse (11011112222202), we get a palindrome (31233333333213).

The spelling of 20222221111011 in words is "twenty trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred eleven thousand, eleven".