20000122111101 has 48 divisors (see below), whose sum is σ = 29827660572864. Its totient is φ = 11909657760000.

The previous prime is 20000122111069. The next prime is 20000122111103. The reversal of 20000122111101 is 10111122100002.

It is not a de Polignac number, because 20000122111101 - 2⁵ = 20000122111069 is a prime.

It is a super-2 number, since 2×20000122111101² (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 (20000122111103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2720745 + ... + 6884961.

It is an arithmetic number, because the mean of its divisors is an integer number (621409595268).

Almost surely, 2^{20000122111101} is an apocalyptic number.

It is an amenable number.

20000122111101 is a deficient number, since it is larger than the sum of its proper divisors (9827538461763).

20000122111101 is a wasteful number, since it uses less digits than its factorization.

20000122111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164474 (or 4164463 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20000122111101 its reverse (10111122100002), we get a palindrome (30111244211103).

The spelling of 20000122111101 in words is "twenty trillion, one hundred twenty-two million, one hundred eleven thousand, one hundred one".