10200202101 has 20 divisors (see below), whose sum is σ = 15330839392. Its totient is φ = 6758407368.

The previous prime is 10200202099. The next prime is 10200202109. The reversal of 10200202101 is 10120200201.

It is not a de Polignac number, because 10200202101 - 2¹ = 10200202099 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200202109) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 373081 + ... + 399486.

Almost surely, 2^10200202101 is an apocalyptic number.

It is an amenable number.

10200202101 is a deficient number, since it is larger than the sum of its proper divisors (5130637291).

10200202101 is an equidigital number, since it uses as much as digits as its factorization.

10200202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772742 (or 772733 counting only the distinct ones).

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

Adding to 10200202101 its reverse (10120200201), we get a palindrome (20320402302).

It can be divided in two parts, 1020020 and 2101, that added together give a square (1022121 = 1011²).

The spelling of 10200202101 in words is "ten billion, two hundred million, two hundred two thousand, one hundred one".