10220021020221 has 12 divisors (see below), whose sum is σ = 13950964342368. Its totient is φ = 6654897404904.

The previous prime is 10220021020217. The next prime is 10220021020229. The reversal of 10220021020221 is 12202012002201.

It is not a de Polignac number, because 10220021020221 - 2² = 10220021020217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10220021020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220021020229) 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 11 ways as a sum of consecutive naturals, for example, 921215025 + ... + 921226118.

It is an arithmetic number, because the mean of its divisors is an integer number (1162580361864).

Almost surely, 2^{10220021020221} is an apocalyptic number.

It is an amenable number.

10220021020221 is a deficient number, since it is larger than the sum of its proper divisors (3730943322147).

10220021020221 is an equidigital number, since it uses as much as digits as its factorization.

10220021020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842441232 (or 1842441189 counting only the distinct ones).

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

Adding to 10220021020221 its reverse (12202012002201), we get a palindrome (22422033022422).

The spelling of 10220021020221 in words is "ten trillion, two hundred twenty billion, twenty-one million, twenty thousand, two hundred twenty-one".