1120121100191 has 2 divisors, whose sum is σ = 1120121100192. Its totient is φ = 1120121100190.

The previous prime is 1120121100121. The next prime is 1120121100271. The reversal of 1120121100191 is 1910011210211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1120121100191 - 2³⁰ = 1119047358367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120121100121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560060550095 + 560060550096.

It is an arithmetic number, because the mean of its divisors is an integer number (560060550096).

Almost surely, 2^{1120121100191} is an apocalyptic number.

1120121100191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120121100191 is an equidigital number, since it uses as much as digits as its factorization.

1120121100191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 1120121100191 in words is "one trillion, one hundred twenty billion, one hundred twenty-one million, one hundred thousand, one hundred ninety-one".