121040101579 has 2 divisors, whose sum is σ = 121040101580. Its totient is φ = 121040101578.

The previous prime is 121040101543. The next prime is 121040101613. The reversal of 121040101579 is 975101040121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121040101579 - 2⁷ = 121040101451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121040101579.

It is not a weakly prime, because it can be changed into another prime (121040101529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60520050789 + 60520050790.

It is an arithmetic number, because the mean of its divisors is an integer number (60520050790).

Almost surely, 2^121040101579 is an apocalyptic number.

121040101579 is a deficient number, since it is larger than the sum of its proper divisors (1).

121040101579 is an equidigital number, since it uses as much as digits as its factorization.

121040101579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 31.

The spelling of 121040101579 in words is "one hundred twenty-one billion, forty million, one hundred one thousand, five hundred seventy-nine".