2202022110121 has 2 divisors, whose sum is σ = 2202022110122. Its totient is φ = 2202022110120.

The previous prime is 2202022110077. The next prime is 2202022110209. The reversal of 2202022110121 is 1210112202022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2092087424025 + 109934686096 = 1446405^2 + 331564^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202022110121 - 2³⁵ = 2167662371753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2202022110095 and 2202022110104.

It is not a weakly prime, because it can be changed into another prime (2202022110221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101011055060 + 1101011055061.

It is an arithmetic number, because the mean of its divisors is an integer number (1101011055061).

Almost surely, 2^{2202022110121} is an apocalyptic number.

It is an amenable number.

2202022110121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202022110121 is an equidigital number, since it uses as much as digits as its factorization.

2202022110121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2202022110121 its reverse (1210112202022), we get a palindrome (3412134312143).

The spelling of 2202022110121 in words is "two trillion, two hundred two billion, twenty-two million, one hundred ten thousand, one hundred twenty-one".