10202200201021 has 4 divisors (see below), whose sum is σ = 10531303433344. Its totient is φ = 9873096968700.

The previous prime is 10202200201007. The next prime is 10202200201043. The reversal of 10202200201021 is 12010200220201.

It is a happy number.

10202200201021 is digitally balanced in base 2, 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10202200201021 - 2⁴¹ = 8003176945469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10202200200992 and 10202200201010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202200201091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164551616115 + ... + 164551616176.

It is an arithmetic number, because the mean of its divisors is an integer number (2632825858336).

Almost surely, 2^{10202200201021} is an apocalyptic number.

It is an amenable number.

10202200201021 is a deficient number, since it is larger than the sum of its proper divisors (329103232323).

10202200201021 is an equidigital number, since it uses as much as digits as its factorization.

10202200201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329103232322.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10202200201021 its reverse (12010200220201), we get a palindrome (22212400421222).

The spelling of 10202200201021 in words is "ten trillion, two hundred two billion, two hundred million, two hundred one thousand, twenty-one".