121111200009983 has 2 divisors, whose sum is σ = 121111200009984. Its totient is φ = 121111200009982.

The previous prime is 121111200009941. The next prime is 121111200009991. The reversal of 121111200009983 is 389900002111121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121111200009983 - 2³⁴ = 121094020140799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121111200009883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60555600004991 + 60555600004992.

It is an arithmetic number, because the mean of its divisors is an integer number (60555600004992).

Almost surely, 2^{121111200009983} is an apocalyptic number.

121111200009983 is a deficient number, since it is larger than the sum of its proper divisors (1).

121111200009983 is an equidigital number, since it uses as much as digits as its factorization.

121111200009983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 38.

The spelling of 121111200009983 in words is "one hundred twenty-one trillion, one hundred eleven billion, two hundred million, nine thousand, nine hundred eighty-three".