20201102100113 has 4 divisors (see below), whose sum is σ = 22037565927408. Its totient is φ = 18364638272820.

The previous prime is 20201102100083. The next prime is 20201102100119. The reversal of 20201102100113 is 31100120110202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20201102100113 - 2³⁴ = 20183922230929 is a prime.

It is a super-2 number, since 2×20201102100113² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201102100119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918231913631 + ... + 918231913652.

It is an arithmetic number, because the mean of its divisors is an integer number (5509391481852).

Almost surely, 2^{20201102100113} is an apocalyptic number.

It is an amenable number.

20201102100113 is a deficient number, since it is larger than the sum of its proper divisors (1836463827295).

20201102100113 is a wasteful number, since it uses less digits than its factorization.

20201102100113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836463827294.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20201102100113 its reverse (31100120110202), we get a palindrome (51301222210315).

The spelling of 20201102100113 in words is "twenty trillion, two hundred one billion, one hundred two million, one hundred thousand, one hundred thirteen".