103121103889 has 2 divisors, whose sum is σ = 103121103890. Its totient is φ = 103121103888.

The previous prime is 103121103847. The next prime is 103121103893. The reversal of 103121103889 is 988301121301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63453610000 + 39667493889 = 251900^2 + 199167^2 .

It is a cyclic number.

It is not a de Polignac number, because 103121103889 - 2²³ = 103112715281 is a prime.

It is not a weakly prime, because it can be changed into another prime (103121103829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51560551944 + 51560551945.

It is an arithmetic number, because the mean of its divisors is an integer number (51560551945).

Almost surely, 2^103121103889 is an apocalyptic number.

It is an amenable number.

103121103889 is a deficient number, since it is larger than the sum of its proper divisors (1).

103121103889 is an equidigital number, since it uses as much as digits as its factorization.

103121103889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 37.

The spelling of 103121103889 in words is "one hundred three billion, one hundred twenty-one million, one hundred three thousand, eight hundred eighty-nine".