210121300313 has 8 divisors (see below), whose sum is σ = 222486647040. Its totient is φ = 197756539200.

The previous prime is 210121300271. The next prime is 210121300351. The reversal of 210121300313 is 313003121012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210121300313 - 2²⁸ = 209852864857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210121300291 and 210121300300.

It is not an unprimeable number, because it can be changed into a prime (210121320313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748748 + ... + 990386.

It is an arithmetic number, because the mean of its divisors is an integer number (27810830880).

Almost surely, 2^210121300313 is an apocalyptic number.

It is an amenable number.

210121300313 is a deficient number, since it is larger than the sum of its proper divisors (12365346727).

210121300313 is a wasteful number, since it uses less digits than its factorization.

210121300313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292807.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 210121300313 its reverse (313003121012), we get a palindrome (523124421325).

The spelling of 210121300313 in words is "two hundred ten billion, one hundred twenty-one million, three hundred thousand, three hundred thirteen".