121031231121379 has 2 divisors, whose sum is σ = 121031231121380. Its totient is φ = 121031231121378.

The previous prime is 121031231121223. The next prime is 121031231121419. The reversal of 121031231121379 is 973121132130121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121031231121379 - 2⁹ = 121031231120867 is a prime.

It is not a weakly prime, because it can be changed into another prime (121031231121079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60515615560689 + 60515615560690.

It is an arithmetic number, because the mean of its divisors is an integer number (60515615560690).

Almost surely, 2^{121031231121379} is an apocalyptic number.

121031231121379 is a deficient number, since it is larger than the sum of its proper divisors (1).

121031231121379 is an equidigital number, since it uses as much as digits as its factorization.

121031231121379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 121031231121379 in words is "one hundred twenty-one trillion, thirty-one billion, two hundred thirty-one million, one hundred twenty-one thousand, three hundred seventy-nine".