1201200330091 has 2 divisors, whose sum is σ = 1201200330092. Its totient is φ = 1201200330090.

The previous prime is 1201200330017. The next prime is 1201200330101. The reversal of 1201200330091 is 1900330021021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201200330091 - 2¹⁷ = 1201200199019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201200330391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600600165045 + 600600165046.

It is an arithmetic number, because the mean of its divisors is an integer number (600600165046).

Almost surely, 2^{1201200330091} is an apocalyptic number.

1201200330091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201200330091 is an equidigital number, since it uses as much as digits as its factorization.

1201200330091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 1201200330091 in words is "one trillion, two hundred one billion, two hundred million, three hundred thirty thousand, ninety-one".