121044403069 has 2 divisors, whose sum is σ = 121044403070. Its totient is φ = 121044403068.

The previous prime is 121044403049. The next prime is 121044403141. The reversal of 121044403069 is 960304440121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115797284100 + 5247118969 = 340290^2 + 72437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121044403069 is a prime.

It is a super-2 number, since 2×121044403069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121044403019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60522201534 + 60522201535.

It is an arithmetic number, because the mean of its divisors is an integer number (60522201535).

Almost surely, 2^121044403069 is an apocalyptic number.

It is an amenable number.

121044403069 is a deficient number, since it is larger than the sum of its proper divisors (1).

121044403069 is an equidigital number, since it uses as much as digits as its factorization.

121044403069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 121044403069 in words is "one hundred twenty-one billion, forty-four million, four hundred three thousand, sixty-nine".