121101329977 has 2 divisors, whose sum is σ = 121101329978. Its totient is φ = 121101329976.

The previous prime is 121101329963. The next prime is 121101330019. The reversal of 121101329977 is 779923101121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109987742736 + 11113587241 = 331644^2 + 105421^2 .

It is a cyclic number.

It is not a de Polignac number, because 121101329977 - 2⁷ = 121101329849 is a prime.

It is not a weakly prime, because it can be changed into another prime (121101309977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550664988 + 60550664989.

It is an arithmetic number, because the mean of its divisors is an integer number (60550664989).

Almost surely, 2^121101329977 is an apocalyptic number.

It is an amenable number.

121101329977 is a deficient number, since it is larger than the sum of its proper divisors (1).

121101329977 is an equidigital number, since it uses as much as digits as its factorization.

121101329977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 43.

The spelling of 121101329977 in words is "one hundred twenty-one billion, one hundred one million, three hundred twenty-nine thousand, nine hundred seventy-seven".