20011122113013 has 12 divisors (see below), whose sum is σ = 29056289004288. Its totient is φ = 13270901225640.

The previous prime is 20011122112951. The next prime is 20011122113071. The reversal of 20011122113013 is 31031122111002.

20011122113013 is a `hidden beast` number, since 200 + 111 + 221 + 130 + 1 + 3 = 666.

It is not a de Polignac number, because 20011122113013 - 2¹⁴ = 20011122096629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011122113083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5820568995 + ... + 5820572432.

It is an arithmetic number, because the mean of its divisors is an integer number (2421357417024).

Almost surely, 2^{20011122113013} is an apocalyptic number.

It is an amenable number.

20011122113013 is a deficient number, since it is larger than the sum of its proper divisors (9045166891275).

20011122113013 is a wasteful number, since it uses less digits than its factorization.

20011122113013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11641141624 (or 11641141621 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 20011122113013 its reverse (31031122111002), we get a palindrome (51042244224015).

The spelling of 20011122113013 in words is "twenty trillion, eleven billion, one hundred twenty-two million, one hundred thirteen thousand, thirteen".