1222011010139 has 2 divisors, whose sum is σ = 1222011010140. Its totient is φ = 1222011010138.

The previous prime is 1222011010127. The next prime is 1222011010211. The reversal of 1222011010139 is 9310101102221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222011010139 - 2¹² = 1222011006043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222011010739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611005505069 + 611005505070.

It is an arithmetic number, because the mean of its divisors is an integer number (611005505070).

Almost surely, 2^{1222011010139} is an apocalyptic number.

1222011010139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222011010139 is an equidigital number, since it uses as much as digits as its factorization.

1222011010139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 1222011010139 in words is "one trillion, two hundred twenty-two billion, eleven million, ten thousand, one hundred thirty-nine".