10202201001 has 12 divisors (see below), whose sum is σ = 14738297860. Its totient is φ = 6800643360.

The previous prime is 10202200949. The next prime is 10202201033. The reversal of 10202201001 is 10010220201.

It can be written as a sum of positive squares in 2 ways, for example, as 7148533401 + 3053667600 = 84549^2 + 55260^2 .

It is not a de Polignac number, because 10202201001 - 2¹⁵ = 10202168233 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10202201501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15135 + ... + 143643.

Almost surely, 2^10202201001 is an apocalyptic number.

It is an amenable number.

10202201001 is a deficient number, since it is larger than the sum of its proper divisors (4536096859).

10202201001 is a wasteful number, since it uses less digits than its factorization.

10202201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137336 (or 137333 counting only the distinct ones).

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

Adding to 10202201001 its reverse (10010220201), we get a palindrome (20212421202).

The spelling of 10202201001 in words is "ten billion, two hundred two million, two hundred one thousand, one".