210213113121001 has 16 divisors (see below), whose sum is σ = 214056002396160. Its totient is φ = 206383370181120.

The previous prime is 210213113120999. The next prime is 210213113121073. The reversal of 210213113121001 is 100121311312012.

It is a cyclic number.

It is not a de Polignac number, because 210213113121001 - 2¹ = 210213113120999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210213113121001.

It is not an unprimeable number, because it can be changed into a prime (210213113821001) 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, 71260696 + ... + 74151958.

It is an arithmetic number, because the mean of its divisors is an integer number (13378500149760).

Almost surely, 2^{210213113121001} is an apocalyptic number.

It is an amenable number.

210213113121001 is a deficient number, since it is larger than the sum of its proper divisors (3842889275159).

210213113121001 is a wasteful number, since it uses less digits than its factorization.

210213113121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893536.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 210213113121001 its reverse (100121311312012), we get a palindrome (310334424433013).

The spelling of 210213113121001 in words is "two hundred ten trillion, two hundred thirteen billion, one hundred thirteen million, one hundred twenty-one thousand, one".