20110022110109 has 8 divisors (see below), whose sum is σ = 20882709230712. Its totient is φ = 19350773026560.

The previous prime is 20110022109967. The next prime is 20110022110127. The reversal of 20110022110109 is 90101122001102.

It can be written as a sum of positive squares in 4 ways, for example, as 2771309325625 + 17338712784484 = 1664725^2 + 4163978^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20110022110109 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 (20110022110169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3359506214 + ... + 3359512199.

It is an arithmetic number, because the mean of its divisors is an integer number (2610338653839).

Almost surely, 2^{20110022110109} is an apocalyptic number.

It is an amenable number.

20110022110109 is a deficient number, since it is larger than the sum of its proper divisors (772687120603).

20110022110109 is an equidigital number, since it uses as much as digits as its factorization.

20110022110109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6719018527.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 20110022110109 in words is "twenty trillion, one hundred ten billion, twenty-two million, one hundred ten thousand, one hundred nine".