20113022220111 has 32 divisors (see below), whose sum is σ = 30157484931840. Its totient is φ = 13246509895200.

The previous prime is 20113022220073. The next prime is 20113022220127. The reversal of 20113022220111 is 11102222031102.

20113022220111 is a `hidden beast` number, since 20 + 11 + 302 + 2 + 220 + 111 = 666.

It is not a de Polignac number, because 20113022220111 - 2¹⁵ = 20113022187343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113022220611) 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, 50292801 + ... + 50691141.

It is an arithmetic number, because the mean of its divisors is an integer number (942421404120).

Almost surely, 2^{20113022220111} is an apocalyptic number.

20113022220111 is a deficient number, since it is larger than the sum of its proper divisors (10044462711729).

20113022220111 is a wasteful number, since it uses less digits than its factorization.

20113022220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420964 (or 420958 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 20113022220111 its reverse (11102222031102), we get a palindrome (31215244251213).

The spelling of 20113022220111 in words is "twenty trillion, one hundred thirteen billion, twenty-two million, two hundred twenty thousand, one hundred eleven".