220002010112021 has 2 divisors, whose sum is σ = 220002010112022. Its totient is φ = 220002010112020.

The previous prime is 220002010111999. The next prime is 220002010112089. The reversal of 220002010112021 is 120211010200022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145925675200900 + 74076334911121 = 12079970^2 + 8606761^2 .

It is a cyclic number.

It is not a de Polignac number, because 220002010112021 - 2⁶ = 220002010111957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220002010111987 and 220002010112005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220002010112821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110001005056010 + 110001005056011.

It is an arithmetic number, because the mean of its divisors is an integer number (110001005056011).

Almost surely, 2^{220002010112021} is an apocalyptic number.

It is an amenable number.

220002010112021 is a deficient number, since it is larger than the sum of its proper divisors (1).

220002010112021 is an equidigital number, since it uses as much as digits as its factorization.

220002010112021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220002010112021 its reverse (120211010200022), we get a palindrome (340213020312043).

The spelling of 220002010112021 in words is "two hundred twenty trillion, two billion, ten million, one hundred twelve thousand, twenty-one".