10200201021 has 16 divisors (see below), whose sum is σ = 15120705600. Its totient is φ = 6795950544.

The previous prime is 10200200993. The next prime is 10200201029. The reversal of 10200201021 is 12010200201.

It is not a de Polignac number, because 10200201021 - 2¹³ = 10200192829 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 10200200994 and 10200201012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200201029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71191 + ... + 159588.

It is an arithmetic number, because the mean of its divisors is an integer number (945044100).

Almost surely, 2^10200201021 is an apocalyptic number.

It is an amenable number.

10200201021 is a deficient number, since it is larger than the sum of its proper divisors (4920504579).

10200201021 is a wasteful number, since it uses less digits than its factorization.

10200201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232425 (or 232419 counting only the distinct ones).

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

Adding to 10200201021 its reverse (12010200201), we get a palindrome (22210401222).

The spelling of 10200201021 in words is "ten billion, two hundred million, two hundred one thousand, twenty-one".