121120193827 has 2 divisors, whose sum is σ = 121120193828. Its totient is φ = 121120193826.

The previous prime is 121120193783. The next prime is 121120193849. The reversal of 121120193827 is 728391021121.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (728391021121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121120193827 - 2²³ = 121111805219 is a prime.

It is not a weakly prime, because it can be changed into another prime (121120193897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560096913 + 60560096914.

It is an arithmetic number, because the mean of its divisors is an integer number (60560096914).

Almost surely, 2^121120193827 is an apocalyptic number.

121120193827 is a deficient number, since it is larger than the sum of its proper divisors (1).

121120193827 is an equidigital number, since it uses as much as digits as its factorization.

121120193827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 37.

The spelling of 121120193827 in words is "one hundred twenty-one billion, one hundred twenty million, one hundred ninety-three thousand, eight hundred twenty-seven".