20220110111111 has 16 divisors (see below), whose sum is σ = 20689872499296. Its totient is φ = 19757322000000.

The previous prime is 20220110111101. The next prime is 20220110111177. The reversal of 20220110111111 is 11111101102202.

It is a cyclic number.

It is not a de Polignac number, because 20220110111111 - 2³⁸ = 19945232204167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220110111101) 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, 1826840 + ... + 6616461.

It is an arithmetic number, because the mean of its divisors is an integer number (1293117031206).

Almost surely, 2^{20220110111111} is an apocalyptic number.

20220110111111 is a deficient number, since it is larger than the sum of its proper divisors (469762388185).

20220110111111 is a wasteful number, since it uses less digits than its factorization.

20220110111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8443714.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 20220110111111 its reverse (11111101102202), we get a palindrome (31331211213313).

The spelling of 20220110111111 in words is "twenty trillion, two hundred twenty billion, one hundred ten million, one hundred eleven thousand, one hundred eleven".