20000122022111 has 16 divisors (see below), whose sum is σ = 24936128121600. Its totient is φ = 15583941257280.

The previous prime is 20000122022087. The next prime is 20000122022113. The reversal of 20000122022111 is 11122022100002.

It is not a de Polignac number, because 20000122022111 - 2³⁰ = 19999048280287 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 (20000122022113) 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, 2617781 + ... + 6844926.

It is an arithmetic number, because the mean of its divisors is an integer number (1558508007600).

Almost surely, 2^{20000122022111} is an apocalyptic number.

20000122022111 is a deficient number, since it is larger than the sum of its proper divisors (4936006099489).

20000122022111 is a wasteful number, since it uses less digits than its factorization.

20000122022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9490174.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20000122022111 its reverse (11122022100002), we get a palindrome (31122144122113).

The spelling of 20000122022111 in words is "twenty trillion, one hundred twenty-two million, twenty-two thousand, one hundred eleven".