210001010002 has 48 divisors (see below), whose sum is σ = 382974260760. Its totient is φ = 86001011712.

The previous prime is 210001009997. The next prime is 210001010029. The reversal of 210001010002 is 200010100012.

It can be written as a sum of positive squares in 4 ways, for example, as 175712710761 + 34288299241 = 419181^2 + 185171^2 .

It is a Harshad number since it is a multiple of its sum of digits (7).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105213 + ... + 656560.

Almost surely, 2^210001010002 is an apocalyptic number.

210001010002 is a deficient number, since it is larger than the sum of its proper divisors (172973250758).

210001010002 is a wasteful number, since it uses less digits than its factorization.

210001010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761915 (or 761908 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 210001010002 its reverse (200010100012), we get a palindrome (410011110014).

The spelling of 210001010002 in words is "two hundred ten billion, one million, ten thousand, two".