10102001202 has 24 divisors (see below), whose sum is σ = 21893393340. Its totient is φ = 3366453120.

The previous prime is 10102001191. The next prime is 10102001227. The reversal of 10102001202 is 20210020101.

It can be written as a sum of positive squares in 2 ways, for example, as 7963956081 + 2138045121 = 89241^2 + 46239^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 699 + ... + 142142.

Almost surely, 2^10102001202 is an apocalyptic number.

10102001202 is an abundant number, since it is smaller than the sum of its proper divisors (11791392138).

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

10102001202 is a wasteful number, since it uses less digits than its factorization.

10102001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146778 (or 146775 counting only the distinct ones).

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

Adding to 10102001202 its reverse (20210020101), we get a palindrome (30312021303).

The spelling of 10102001202 in words is "ten billion, one hundred two million, one thousand, two hundred two".