211122202020013 has 8 divisors (see below), whose sum is σ = 212678091715320. Its totient is φ = 209566527567360.

The previous prime is 211122202020007. The next prime is 211122202020031. The reversal of 211122202020013 is 310020202221112.

It can be written as a sum of positive squares in 4 ways, for example, as 1611688647529 + 209510513372484 = 1269523^2 + 14474478^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 211122202020013 - 2³³ = 211113612085421 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 (211122202020413) 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, 51841458 + ... + 55765411.

It is an arithmetic number, because the mean of its divisors is an integer number (26584761464415).

Almost surely, 2^{211122202020013} is an apocalyptic number.

It is an amenable number.

211122202020013 is a deficient number, since it is larger than the sum of its proper divisors (1555889695307).

211122202020013 is a wasteful number, since it uses less digits than its factorization.

211122202020013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107621327.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 211122202020013 its reverse (310020202221112), we get a palindrome (521142404241125).

The spelling of 211122202020013 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred two million, twenty thousand, thirteen".