220202220201121 has 2 divisors, whose sum is σ = 220202220201122. Its totient is φ = 220202220201120.

The previous prime is 220202220201037. The next prime is 220202220201169. The reversal of 220202220201121 is 121102022202022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207004875376896 + 13197344824225 = 14387664^2 + 3632815^2 .

It is a cyclic number.

It is not a de Polignac number, because 220202220201121 - 2²⁷ = 220202085983393 is a prime.

It is not a weakly prime, because it can be changed into another prime (220202220201421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110101110100560 + 110101110100561.

It is an arithmetic number, because the mean of its divisors is an integer number (110101110100561).

Almost surely, 2^{220202220201121} is an apocalyptic number.

It is an amenable number.

220202220201121 is a deficient number, since it is larger than the sum of its proper divisors (1).

220202220201121 is an equidigital number, since it uses as much as digits as its factorization.

220202220201121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220202220201121 its reverse (121102022202022), we get a palindrome (341304242403143).

The spelling of 220202220201121 in words is "two hundred twenty trillion, two hundred two billion, two hundred twenty million, two hundred one thousand, one hundred twenty-one".