10210000202221 has 4 divisors (see below), whose sum is σ = 10210048239744. Its totient is φ = 10209952164700.

The previous prime is 10210000202219. The next prime is 10210000202249. The reversal of 10210000202221 is 12220200001201.

It is a happy number.

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 10210000202221 - 2¹ = 10210000202219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210000202921) 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, 23698525 + ... + 24125506.

It is an arithmetic number, because the mean of its divisors is an integer number (2552512059936).

Almost surely, 2^{10210000202221} is an apocalyptic number.

It is an amenable number.

10210000202221 is a deficient number, since it is larger than the sum of its proper divisors (48037523).

10210000202221 is an equidigital number, since it uses as much as digits as its factorization.

10210000202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48037522.

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

Adding to 10210000202221 its reverse (12220200001201), we get a palindrome (22430200203422).

The spelling of 10210000202221 in words is "ten trillion, two hundred ten billion, two hundred two thousand, two hundred twenty-one".