20200000122111 has 32 divisors (see below), whose sum is σ = 27078401986560. Its totient is φ = 13394324563200.

The previous prime is 20200000122089. The next prime is 20200000122131. The reversal of 20200000122111 is 11122100000202.

It is not a de Polignac number, because 20200000122111 - 2³⁵ = 20165640383743 is a prime.

It is a super-2 number, since 2×20200000122111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200000122131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1650455530 + ... + 1650467768.

It is an arithmetic number, because the mean of its divisors is an integer number (846200062080).

Almost surely, 2^{20200000122111} is an apocalyptic number.

20200000122111 is a deficient number, since it is larger than the sum of its proper divisors (6878401864449).

20200000122111 is a wasteful number, since it uses less digits than its factorization.

20200000122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15927.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20200000122111 its reverse (11122100000202), we get a palindrome (31322100122313).

The spelling of 20200000122111 in words is "twenty trillion, two hundred billion, one hundred twenty-two thousand, one hundred eleven".