201220020211013 has 4 divisors (see below), whose sum is σ = 211810547590560. Its totient is φ = 190629492831468.

The previous prime is 201220020211009. The next prime is 201220020211039. The reversal of 201220020211013 is 310112020022102.

201220020211013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 201220020211013 - 2² = 201220020211009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201220020210982 and 201220020211000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201220020214013) 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, 5295263689745 + ... + 5295263689782.

It is an arithmetic number, because the mean of its divisors is an integer number (52952636897640).

Almost surely, 2^{201220020211013} is an apocalyptic number.

It is an amenable number.

201220020211013 is a deficient number, since it is larger than the sum of its proper divisors (10590527379547).

201220020211013 is a wasteful number, since it uses less digits than its factorization.

201220020211013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10590527379546.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 201220020211013 its reverse (310112020022102), we get a palindrome (511332040233115).

The spelling of 201220020211013 in words is "two hundred one trillion, two hundred twenty billion, twenty million, two hundred eleven thousand, thirteen".