20000122000011 has 24 divisors (see below), whose sum is σ = 28929611574240. Its totient is φ = 13314704054400.

The previous prime is 20000122000007. The next prime is 20000122000031. The reversal of 20000122000011 is 11000022100002.

It is not a de Polignac number, because 20000122000011 - 2² = 20000122000007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20000121999957 and 20000122000002.

It is not an unprimeable number, because it can be changed into a prime (20000122000031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80138841 + ... + 80388021.

It is an arithmetic number, because the mean of its divisors is an integer number (1205400482260).

Almost surely, 2^{20000122000011} is an apocalyptic number.

20000122000011 is a deficient number, since it is larger than the sum of its proper divisors (8929489574229).

20000122000011 is a wasteful number, since it uses less digits than its factorization.

20000122000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261667 (or 261664 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20000122000011 its reverse (11000022100002), we get a palindrome (31000144100013).

Subtracting from 20000122000011 its reverse (11000022100002), we obtain a palindrome (9000099900009).

The spelling of 20000122000011 in words is "twenty trillion, one hundred twenty-two million, eleven", and thus it is an aban number.