1201220101199 has 2 divisors, whose sum is σ = 1201220101200. Its totient is φ = 1201220101198.

The previous prime is 1201220101157. The next prime is 1201220101253. The reversal of 1201220101199 is 9911010221021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201220101199 - 2¹⁶ = 1201220035663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201220101699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600610050599 + 600610050600.

It is an arithmetic number, because the mean of its divisors is an integer number (600610050600).

Almost surely, 2^{1201220101199} is an apocalyptic number.

1201220101199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201220101199 is an equidigital number, since it uses as much as digits as its factorization.

1201220101199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 1201220101199 in words is "one trillion, two hundred one billion, two hundred twenty million, one hundred one thousand, one hundred ninety-nine".