121111101120239 has 2 divisors, whose sum is σ = 121111101120240. Its totient is φ = 121111101120238.

The previous prime is 121111101120197. The next prime is 121111101120277. The reversal of 121111101120239 is 932021101111121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121111101120239 - 2¹⁶ = 121111101054703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121111101120539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60555550560119 + 60555550560120.

It is an arithmetic number, because the mean of its divisors is an integer number (60555550560120).

Almost surely, 2^{121111101120239} is an apocalyptic number.

121111101120239 is a deficient number, since it is larger than the sum of its proper divisors (1).

121111101120239 is an equidigital number, since it uses as much as digits as its factorization.

121111101120239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 26.

The spelling of 121111101120239 in words is "one hundred twenty-one trillion, one hundred eleven billion, one hundred one million, one hundred twenty thousand, two hundred thirty-nine".