210230121013 has 4 divisors (see below), whose sum is σ = 229341950208. Its totient is φ = 191118291820.

The previous prime is 210230120963. The next prime is 210230121043. The reversal of 210230121013 is 310121032012.

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 210230121013 - 2²¹ = 210228023861 is a prime.

It is a super-2 number, since 2×210230121013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210230121043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9555914581 + ... + 9555914602.

It is an arithmetic number, because the mean of its divisors is an integer number (57335487552).

Almost surely, 2^210230121013 is an apocalyptic number.

It is an amenable number.

210230121013 is a deficient number, since it is larger than the sum of its proper divisors (19111829195).

210230121013 is a wasteful number, since it uses less digits than its factorization.

210230121013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19111829194.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 210230121013 its reverse (310121032012), we get a palindrome (520351153025).

The spelling of 210230121013 in words is "two hundred ten billion, two hundred thirty million, one hundred twenty-one thousand, thirteen".