121010022222191 has 2 divisors, whose sum is σ = 121010022222192. Its totient is φ = 121010022222190.

The previous prime is 121010022222179. The next prime is 121010022222211. The reversal of 121010022222191 is 191222220010121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121010022222191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121010022222191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121010021222191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505011111095 + 60505011111096.

It is an arithmetic number, because the mean of its divisors is an integer number (60505011111096).

Almost surely, 2^{121010022222191} is an apocalyptic number.

121010022222191 is a deficient number, since it is larger than the sum of its proper divisors (1).

121010022222191 is an equidigital number, since it uses as much as digits as its factorization.

121010022222191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 121010022222191 in words is "one hundred twenty-one trillion, ten billion, twenty-two million, two hundred twenty-two thousand, one hundred ninety-one".