121033019969 has 2 divisors, whose sum is σ = 121033019970. Its totient is φ = 121033019968.

The previous prime is 121033019929. The next prime is 121033020007. The reversal of 121033019969 is 969910330121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96630831025 + 24402188944 = 310855^2 + 156212^2 .

It is an emirp because it is prime and its reverse (969910330121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121033019969 is a prime.

It is a super-2 number, since 2×121033019969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121033019909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60516509984 + 60516509985.

It is an arithmetic number, because the mean of its divisors is an integer number (60516509985).

Almost surely, 2^121033019969 is an apocalyptic number.

It is an amenable number.

121033019969 is a deficient number, since it is larger than the sum of its proper divisors (1).

121033019969 is an equidigital number, since it uses as much as digits as its factorization.

121033019969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 44.

The spelling of 121033019969 in words is "one hundred twenty-one billion, thirty-three million, nineteen thousand, nine hundred sixty-nine".