220202000201021 has 2 divisors, whose sum is σ = 220202000201022. Its totient is φ = 220202000201020.

The previous prime is 220202000200999. The next prime is 220202000201041. The reversal of 220202000201021 is 120102000202022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204140228695225 + 16061771505796 = 14287765^2 + 4007714^2 .

It is a cyclic number.

It is not a de Polignac number, because 220202000201021 - 2⁴² = 215803953689917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220202000200987 and 220202000201005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220202000201041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110101000100510 + 110101000100511.

It is an arithmetic number, because the mean of its divisors is an integer number (110101000100511).

Almost surely, 2^{220202000201021} is an apocalyptic number.

It is an amenable number.

220202000201021 is a deficient number, since it is larger than the sum of its proper divisors (1).

220202000201021 is an equidigital number, since it uses as much as digits as its factorization.

220202000201021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220202000201021 its reverse (120102000202022), we get a palindrome (340304000403043).

The spelling of 220202000201021 in words is "two hundred twenty trillion, two hundred two billion, two hundred one thousand, twenty-one".