1121120099971 has 2 divisors, whose sum is σ = 1121120099972. Its totient is φ = 1121120099970.

The previous prime is 1121120099959. The next prime is 1121120100011. The reversal of 1121120099971 is 1799900211211.

It is a weak prime.

It is an emirp because it is prime and its reverse (1799900211211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121120099971 - 2⁹ = 1121120099459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121120049971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560560049985 + 560560049986.

It is an arithmetic number, because the mean of its divisors is an integer number (560560049986).

Almost surely, 2^{1121120099971} is an apocalyptic number.

1121120099971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121120099971 is an equidigital number, since it uses as much as digits as its factorization.

1121120099971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 43.

The spelling of 1121120099971 in words is "one trillion, one hundred twenty-one billion, one hundred twenty million, ninety-nine thousand, nine hundred seventy-one".