121022012100239 has 2 divisors, whose sum is σ = 121022012100240. Its totient is φ = 121022012100238.

The previous prime is 121022012100193. The next prime is 121022012100343. The reversal of 121022012100239 is 932001210220121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121022012100239 - 2⁴⁴ = 103429826055823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121022012300239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511006050119 + 60511006050120.

It is an arithmetic number, because the mean of its divisors is an integer number (60511006050120).

Almost surely, 2^{121022012100239} is an apocalyptic number.

121022012100239 is a deficient number, since it is larger than the sum of its proper divisors (1).

121022012100239 is an equidigital number, since it uses as much as digits as its factorization.

121022012100239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 121022012100239 in words is "one hundred twenty-one trillion, twenty-two billion, twelve million, one hundred thousand, two hundred thirty-nine".