10210220202221 has 32 divisors (see below), whose sum is σ = 11423523471360. Its totient is φ = 9065363396544.

The previous prime is 10210220202199. The next prime is 10210220202223. The reversal of 10210220202221 is 12220202201201.

It is a happy number.

It is not a de Polignac number, because 10210220202221 - 2³⁰ = 10209146460397 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10210220202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210220202223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16611830 + ... + 17215496.

It is an arithmetic number, because the mean of its divisors is an integer number (356985108480).

Almost surely, 2^{10210220202221} is an apocalyptic number.

It is an amenable number.

10210220202221 is a deficient number, since it is larger than the sum of its proper divisors (1213303269139).

10210220202221 is a wasteful number, since it uses less digits than its factorization.

10210220202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604185.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10210220202221 its reverse (12220202201201), we get a palindrome (22430422403422).

The spelling of 10210220202221 in words is "ten trillion, two hundred ten billion, two hundred twenty million, two hundred two thousand, two hundred twenty-one".