10211010202221 has 16 divisors (see below), whose sum is σ = 13817724192000. Its totient is φ = 6706202001408.

The previous prime is 10211010202219. The next prime is 10211010202231. The reversal of 10211010202221 is 12220201011201.

It is not a de Polignac number, because 10211010202221 - 2¹ = 10211010202219 is a prime.

It is a super-2 number, since 2×10211010202221² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10211010202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211010202231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47871796 + ... + 48084621.

It is an arithmetic number, because the mean of its divisors is an integer number (863607762000).

Almost surely, 2^{10211010202221} is an apocalyptic number.

It is an amenable number.

10211010202221 is a deficient number, since it is larger than the sum of its proper divisors (3606713989779).

10211010202221 is an equidigital number, since it uses as much as digits as its factorization.

10211010202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95956948.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10211010202221 its reverse (12220201011201), we get a palindrome (22431211213422).

The spelling of 10211010202221 in words is "ten trillion, two hundred eleven billion, ten million, two hundred two thousand, two hundred twenty-one".