1222222222139 has 2 divisors, whose sum is σ = 1222222222140. Its totient is φ = 1222222222138.

The previous prime is 1222222222121. The next prime is 1222222222189. The reversal of 1222222222139 is 9312222222221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222222222139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222222222189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611111111069 + 611111111070.

It is an arithmetic number, because the mean of its divisors is an integer number (611111111070).

Almost surely, 2^{1222222222139} is an apocalyptic number.

1222222222139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222222222139 is an equidigital number, since it uses as much as digits as its factorization.

1222222222139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 32.

The spelling of 1222222222139 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred thirty-nine".