20221022101111 has 16 divisors (see below), whose sum is σ = 21814703465184. Its totient is φ = 18632813249664.

The previous prime is 20221022101099. The next prime is 20221022101157. The reversal of 20221022101111 is 11110122012202.

It is a cyclic number.

It is not a de Polignac number, because 20221022101111 - 2¹⁵ = 20221022068343 is a prime.

It is a super-2 number, since 2×20221022101111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221022101171) 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, 38081140 + ... + 38608486.

It is an arithmetic number, because the mean of its divisors is an integer number (1363418966574).

Almost surely, 2^{20221022101111} is an apocalyptic number.

20221022101111 is a deficient number, since it is larger than the sum of its proper divisors (1593681364073).

20221022101111 is a wasteful number, since it uses less digits than its factorization.

20221022101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532530.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20221022101111 its reverse (11110122012202), we get a palindrome (31331144113313).

The spelling of 20221022101111 in words is "twenty trillion, two hundred twenty-one billion, twenty-two million, one hundred one thousand, one hundred eleven".