121201002101969 has 2 divisors, whose sum is σ = 121201002101970. Its totient is φ = 121201002101968.

The previous prime is 121201002101953. The next prime is 121201002102017. The reversal of 121201002101969 is 969101200102121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70330228961344 + 50870773140625 = 8386312^2 + 7132375^2 .

It is a cyclic number.

It is not a de Polignac number, because 121201002101969 - 2⁴ = 121201002101953 is a prime.

It is a super-2 number, since 2×121201002101969² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121201002101269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600501050984 + 60600501050985.

It is an arithmetic number, because the mean of its divisors is an integer number (60600501050985).

Almost surely, 2^{121201002101969} is an apocalyptic number.

It is an amenable number.

121201002101969 is a deficient number, since it is larger than the sum of its proper divisors (1).

121201002101969 is an equidigital number, since it uses as much as digits as its factorization.

121201002101969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 35.

The spelling of 121201002101969 in words is "one hundred twenty-one trillion, two hundred one billion, two million, one hundred one thousand, nine hundred sixty-nine".