121377234072223 has 2 divisors, whose sum is σ = 121377234072224. Its totient is φ = 121377234072222.

The previous prime is 121377234072079. The next prime is 121377234072277. The reversal of 121377234072223 is 322270432773121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121377234072223 - 2²⁹ = 121376697201311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121377234072293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60688617036111 + 60688617036112.

It is an arithmetic number, because the mean of its divisors is an integer number (60688617036112).

Almost surely, 2^{121377234072223} is an apocalyptic number.

121377234072223 is a deficient number, since it is larger than the sum of its proper divisors (1).

121377234072223 is an equidigital number, since it uses as much as digits as its factorization.

121377234072223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1185408, while the sum is 46.

The spelling of 121377234072223 in words is "one hundred twenty-one trillion, three hundred seventy-seven billion, two hundred thirty-four million, seventy-two thousand, two hundred twenty-three".