210000211002 has 24 divisors (see below), whose sum is σ = 455737921236. Its totient is φ = 69886614336.

The previous prime is 210000210997. The next prime is 210000211033. The reversal of 210000211002 is 200112000012.

It can be written as a sum of positive squares in 2 ways, for example, as 209918832561 + 81378441 = 458169^2 + 9021^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9443253 + ... + 9465464.

Almost surely, 2^210000211002 is an apocalyptic number.

210000211002 is an abundant number, since it is smaller than the sum of its proper divisors (245737710234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210000211002 is a wasteful number, since it uses less digits than its factorization.

210000211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18909342 (or 18909339 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 210000211002 its reverse (200112000012), we get a palindrome (410112211014).

The spelling of 210000211002 in words is "two hundred ten billion, two hundred eleven thousand, two".