121761373103 has 2 divisors, whose sum is σ = 121761373104. Its totient is φ = 121761373102.

The previous prime is 121761373093. The next prime is 121761373117. The reversal of 121761373103 is 301373167121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121761373103 - 2¹⁸ = 121761110959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121761373183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60880686551 + 60880686552.

It is an arithmetic number, because the mean of its divisors is an integer number (60880686552).

Almost surely, 2^121761373103 is an apocalyptic number.

121761373103 is a deficient number, since it is larger than the sum of its proper divisors (1).

121761373103 is an equidigital number, since it uses as much as digits as its factorization.

121761373103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 35.

The spelling of 121761373103 in words is "one hundred twenty-one billion, seven hundred sixty-one million, three hundred seventy-three thousand, one hundred three".