210021202113 has 4 divisors (see below), whose sum is σ = 280028269488. Its totient is φ = 140014134740.

The previous prime is 210021202067. The next prime is 210021202133. The reversal of 210021202113 is 311202120012.

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 210021202113 - 2¹⁷ = 210021071041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210021202092 and 210021202101.

It is not an unprimeable number, because it can be changed into a prime (210021202133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35003533683 + ... + 35003533688.

It is an arithmetic number, because the mean of its divisors is an integer number (70007067372).

Almost surely, 2^210021202113 is an apocalyptic number.

It is an amenable number.

210021202113 is a deficient number, since it is larger than the sum of its proper divisors (70007067375).

210021202113 is an equidigital number, since it uses as much as digits as its factorization.

210021202113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70007067374.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 210021202113 its reverse (311202120012), we get a palindrome (521223322125).

The spelling of 210021202113 in words is "two hundred ten billion, twenty-one million, two hundred two thousand, one hundred thirteen".