10201001002 has 4 divisors (see below), whose sum is σ = 15301501506. Its totient is φ = 5100500500.

The previous prime is 10201000993. The next prime is 10201001033. The reversal of 10201001002 is 20010010201.

10201001002 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20010010201 = 57637 ⋅347173.

It can be written as a sum of positive squares in only one way, i.e., 9846394441 + 354606561 = 99229^2 + 18831^2 .

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 as a sum of consecutive naturals, namely, 2550250249 + ... + 2550250252.

Almost surely, 2^10201001002 is an apocalyptic number.

10201001002 is a deficient number, since it is larger than the sum of its proper divisors (5100500504).

10201001002 is an equidigital number, since it uses as much as digits as its factorization.

10201001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5100500503.

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

Adding to 10201001002 its reverse (20010010201), we get a palindrome (30211011203).

The spelling of 10201001002 in words is "ten billion, two hundred one million, one thousand, two".