201120020113 has 4 divisors (see below), whose sum is σ = 202451940928. Its totient is φ = 199788099300.

The previous prime is 201120020111. The next prime is 201120020173. The reversal of 201120020113 is 311020021102.

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 201120020113 - 2¹ = 201120020111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201120020093 and 201120020102.

It is not an unprimeable number, because it can be changed into a prime (201120020111) 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, 665960181 + ... + 665960482.

It is an arithmetic number, because the mean of its divisors is an integer number (50612985232).

Almost surely, 2^201120020113 is an apocalyptic number.

It is an amenable number.

201120020113 is a deficient number, since it is larger than the sum of its proper divisors (1331920815).

201120020113 is a wasteful number, since it uses less digits than its factorization.

201120020113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331920814.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 201120020113 its reverse (311020021102), we get a palindrome (512140041215).

The spelling of 201120020113 in words is "two hundred one billion, one hundred twenty million, twenty thousand, one hundred thirteen".