2221120201049 has 2 divisors, whose sum is σ = 2221120201050. Its totient is φ = 2221120201048.

The previous prime is 2221120201021. The next prime is 2221120201051. The reversal of 2221120201049 is 9401020211222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1257777951049 + 963342250000 = 1121507^2 + 981500^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221120201049 - 2²⁸ = 2220851765593 is a prime.

Together with 2221120201051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2221120201849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110560100524 + 1110560100525.

It is an arithmetic number, because the mean of its divisors is an integer number (1110560100525).

Almost surely, 2^{2221120201049} is an apocalyptic number.

It is an amenable number.

2221120201049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221120201049 is an equidigital number, since it uses as much as digits as its factorization.

2221120201049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 2221120201049 in words is "two trillion, two hundred twenty-one billion, one hundred twenty million, two hundred one thousand, forty-nine".