202111000013 has 12 divisors (see below), whose sum is σ = 221936385888. Its totient is φ = 183936327120.

The previous prime is 202110999997. The next prime is 202111000051. The reversal of 202111000013 is 310000111202.

It is not a de Polignac number, because 202111000013 - 2⁴ = 202110999997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 202110999958 and 202111000003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202111000213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8409995 + ... + 8433992.

It is an arithmetic number, because the mean of its divisors is an integer number (18494698824).

Almost surely, 2^202111000013 is an apocalyptic number.

It is an amenable number.

202111000013 is a deficient number, since it is larger than the sum of its proper divisors (19825385875).

202111000013 is a wasteful number, since it uses less digits than its factorization.

202111000013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16844084 (or 16844071 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 202111000013 its reverse (310000111202), we get a palindrome (512111111215).

The spelling of 202111000013 in words is "two hundred two billion, one hundred eleven million, thirteen", and thus it is an aban number.