10002102203021 has 16 divisors (see below), whose sum is σ = 10499908608000. Its totient is φ = 9509544924528.

The previous prime is 10002102202993. The next prime is 10002102203033. The reversal of 10002102203021 is 12030220120001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10002102203021 - 2²⁶ = 10002035094157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10002102202987 and 10002102203005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002102205021) 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, 139465430 + ... + 139537128.

It is an arithmetic number, because the mean of its divisors is an integer number (656244288000).

Almost surely, 2^{10002102203021} is an apocalyptic number.

It is an amenable number.

10002102203021 is a deficient number, since it is larger than the sum of its proper divisors (497806404979).

10002102203021 is a wasteful number, since it uses less digits than its factorization.

10002102203021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108208.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10002102203021 its reverse (12030220120001), we get a palindrome (22032322323022).

The spelling of 10002102203021 in words is "ten trillion, two billion, one hundred two million, two hundred three thousand, twenty-one".