121103021321383 has 2 divisors, whose sum is σ = 121103021321384. Its totient is φ = 121103021321382.

The previous prime is 121103021321209. The next prime is 121103021321389. The reversal of 121103021321383 is 383123120301121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121103021321383 - 2¹⁷ = 121103021190311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121103021321389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551510660691 + 60551510660692.

It is an arithmetic number, because the mean of its divisors is an integer number (60551510660692).

Almost surely, 2^{121103021321383} is an apocalyptic number.

121103021321383 is a deficient number, since it is larger than the sum of its proper divisors (1).

121103021321383 is an equidigital number, since it uses as much as digits as its factorization.

121103021321383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 121103021321383 in words is "one hundred twenty-one trillion, one hundred three billion, twenty-one million, three hundred twenty-one thousand, three hundred eighty-three".