210002211021 has 32 divisors (see below), whose sum is σ = 289182942720. Its totient is φ = 135455556096.

The previous prime is 210002211011. The next prime is 210002211061. The reversal of 210002211021 is 120112200012.

210002211021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210002211021 - 2¹⁴ = 210002194637 is a prime.

It is a super-2 number, since 2×210002211021² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210002210988 and 210002211006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210002211011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20077225 + ... + 20087681.

It is an arithmetic number, because the mean of its divisors is an integer number (9036966960).

Almost surely, 2^210002211021 is an apocalyptic number.

It is an amenable number.

210002211021 is a deficient number, since it is larger than the sum of its proper divisors (79180731699).

210002211021 is a wasteful number, since it uses less digits than its factorization.

210002211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11493.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210002211021 its reverse (120112200012), we get a palindrome (330114411033).

The spelling of 210002211021 in words is "two hundred ten billion, two million, two hundred eleven thousand, twenty-one".