210313002121 has 16 divisors (see below), whose sum is σ = 219363189760. Its totient is φ = 201407290560.

The previous prime is 210313002101. The next prime is 210313002161. The reversal of 210313002121 is 121200313012.

It is a cyclic number.

It is not a de Polignac number, because 210313002121 - 2¹³ = 210312993929 is a prime.

It is a super-2 number, since 2×210313002121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210313002095 and 210313002104.

It is not an unprimeable number, because it can be changed into a prime (210313002101) 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, 4539751 + ... + 4585843.

It is an arithmetic number, because the mean of its divisors is an integer number (13710199360).

Almost surely, 2^210313002121 is an apocalyptic number.

It is an amenable number.

210313002121 is a deficient number, since it is larger than the sum of its proper divisors (9050187639).

210313002121 is a wasteful number, since it uses less digits than its factorization.

210313002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47656.

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

Adding to 210313002121 its reverse (121200313012), we get a palindrome (331513315133).

The spelling of 210313002121 in words is "two hundred ten billion, three hundred thirteen million, two thousand, one hundred twenty-one".