1222122020159 has 2 divisors, whose sum is σ = 1222122020160. Its totient is φ = 1222122020158.

The previous prime is 1222122020123. The next prime is 1222122020177. The reversal of 1222122020159 is 9510202212221.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9510202212221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222122020159 - 2⁸ = 1222122019903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222122520159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611061010079 + 611061010080.

It is an arithmetic number, because the mean of its divisors is an integer number (611061010080).

Almost surely, 2^{1222122020159} is an apocalyptic number.

1222122020159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222122020159 is an equidigital number, since it uses as much as digits as its factorization.

1222122020159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 1222122020159 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-two million, twenty thousand, one hundred fifty-nine".