121102120999 has 2 divisors, whose sum is σ = 121102121000. Its totient is φ = 121102120998.

The previous prime is 121102120963. The next prime is 121102121033. The reversal of 121102120999 is 999021201121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121102120999 - 2²³ = 121093732391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121102120949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551060499 + 60551060500.

It is an arithmetic number, because the mean of its divisors is an integer number (60551060500).

Almost surely, 2^121102120999 is an apocalyptic number.

121102120999 is a deficient number, since it is larger than the sum of its proper divisors (1).

121102120999 is an equidigital number, since it uses as much as digits as its factorization.

121102120999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 37.

The spelling of 121102120999 in words is "one hundred twenty-one billion, one hundred two million, one hundred twenty thousand, nine hundred ninety-nine".