210111020013 has 16 divisors (see below), whose sum is σ = 286741705536. Its totient is φ = 136778960640.

The previous prime is 210111019949. The next prime is 210111020111. The reversal of 210111020013 is 310020111012.

It is not a de Polignac number, because 210111020013 - 2⁶ = 210111019949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210111020813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252853 + ... + 695813.

It is an arithmetic number, because the mean of its divisors is an integer number (17921356596).

Almost surely, 2^210111020013 is an apocalyptic number.

It is an amenable number.

210111020013 is a deficient number, since it is larger than the sum of its proper divisors (76630685523).

210111020013 is a wasteful number, since it uses less digits than its factorization.

210111020013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446684.

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

Adding to 210111020013 its reverse (310020111012), we get a palindrome (520131131025).

Subtracting 210111020013 from its reverse (310020111012), we obtain a palindrome (99909090999).

The spelling of 210111020013 in words is "two hundred ten billion, one hundred eleven million, twenty thousand, thirteen".