10210020202221 has 64 divisors (see below), whose sum is σ = 16268657932800. Its totient is φ = 5689964421120.

The previous prime is 10210020202211. The next prime is 10210020202273. The reversal of 10210020202221 is 12220202001201.

It is not a de Polignac number, because 10210020202221 - 2⁶ = 10210020202157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10210020202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210020202211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 122179765 + ... + 122263301.

It is an arithmetic number, because the mean of its divisors is an integer number (254197780200).

Almost surely, 2^{10210020202221} is an apocalyptic number.

It is an amenable number.

10210020202221 is a deficient number, since it is larger than the sum of its proper divisors (6058637730579).

10210020202221 is an equidigital number, since it uses as much as digits as its factorization.

10210020202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86499 (or 86485 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10210020202221 its reverse (12220202001201), we get a palindrome (22430222203422).

The spelling of 10210020202221 in words is "ten trillion, two hundred ten billion, twenty million, two hundred two thousand, two hundred twenty-one".