20113055101 has 4 divisors (see below), whose sum is σ = 20453954400. Its totient is φ = 19772155804.

The previous prime is 20113055047. The next prime is 20113055107. The reversal of 20113055101 is 10155031102.

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 20113055101 - 2¹⁵ = 20113022333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113055107) 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, 170449561 + ... + 170449678.

It is an arithmetic number, because the mean of its divisors is an integer number (5113488600).

Almost surely, 2^20113055101 is an apocalyptic number.

It is an amenable number.

20113055101 is a deficient number, since it is larger than the sum of its proper divisors (340899299).

20113055101 is an equidigital number, since it uses as much as digits as its factorization.

20113055101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340899298.

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 20113055101 its reverse (10155031102), we get a palindrome (30268086203).

The spelling of 20113055101 in words is "twenty billion, one hundred thirteen million, fifty-five thousand, one hundred one".