20110012113311 has 4 divisors (see below), whose sum is σ = 20212093393272. Its totient is φ = 20007930833352.

The previous prime is 20110012113281. The next prime is 20110012113329. The reversal of 20110012113311 is 11331121001102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20110012113311 - 2¹⁴ = 20110012096927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20110012113311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110012113341) 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, 51040639685 + ... + 51040640078.

It is an arithmetic number, because the mean of its divisors is an integer number (5053023348318).

Almost surely, 2^{20110012113311} is an apocalyptic number.

20110012113311 is a deficient number, since it is larger than the sum of its proper divisors (102081279961).

20110012113311 is a wasteful number, since it uses less digits than its factorization.

20110012113311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102081279960.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 20110012113311 its reverse (11331121001102), we get a palindrome (31441133114413).

The spelling of 20110012113311 in words is "twenty trillion, one hundred ten billion, twelve million, one hundred thirteen thousand, three hundred eleven".