121001230169 has 2 divisors, whose sum is σ = 121001230170. Its totient is φ = 121001230168.

The previous prime is 121001230153. The next prime is 121001230243. The reversal of 121001230169 is 961032100121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71222265625 + 49778964544 = 266875^2 + 223112^2 .

It is a cyclic number.

It is not a de Polignac number, because 121001230169 - 2⁴ = 121001230153 is a prime.

It is a super-2 number, since 2×121001230169² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121001233169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500615084 + 60500615085.

It is an arithmetic number, because the mean of its divisors is an integer number (60500615085).

Almost surely, 2^121001230169 is an apocalyptic number.

It is an amenable number.

121001230169 is a deficient number, since it is larger than the sum of its proper divisors (1).

121001230169 is an equidigital number, since it uses as much as digits as its factorization.

121001230169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 121001230169 in words is "one hundred twenty-one billion, one million, two hundred thirty thousand, one hundred sixty-nine".