10210001002 has 4 divisors (see below), whose sum is σ = 15315001506. Its totient is φ = 5105000500.

The previous prime is 10210000991. The next prime is 10210001023. The reversal of 10210001002 is 20010001201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10208879521 + 1121481 = 101039^2 + 1059^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552500249 + ... + 2552500252.

Almost surely, 2^10210001002 is an apocalyptic number.

10210001002 is a deficient number, since it is larger than the sum of its proper divisors (5105000504).

10210001002 is an equidigital number, since it uses as much as digits as its factorization.

10210001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105000503.

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

Adding to 10210001002 its reverse (20010001201), we get a palindrome (30220002203).

The spelling of 10210001002 in words is "ten billion, two hundred ten million, one thousand, two".