220202000010121 has 2 divisors, whose sum is σ = 220202000010122. Its totient is φ = 220202000010120.

The previous prime is 220202000010079. The next prime is 220202000010133. The reversal of 220202000010121 is 121010000202022.

It is a happy number.

220202000010121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183092399194896 + 37109600815225 = 13531164^2 + 6091765^2 .

It is a cyclic number.

It is not a de Polignac number, because 220202000010121 - 2³¹ = 220199852526473 is a prime.

It is not a weakly prime, because it can be changed into another prime (220202000010151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110101000005060 + 110101000005061.

It is an arithmetic number, because the mean of its divisors is an integer number (110101000005061).

Almost surely, 2^{220202000010121} is an apocalyptic number.

It is an amenable number.

220202000010121 is a deficient number, since it is larger than the sum of its proper divisors (1).

220202000010121 is an equidigital number, since it uses as much as digits as its factorization.

220202000010121 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 13.

Adding to 220202000010121 its reverse (121010000202022), we get a palindrome (341212000212143).

The spelling of 220202000010121 in words is "two hundred twenty trillion, two hundred two billion, ten thousand, one hundred twenty-one".