121011486923 has 2 divisors, whose sum is σ = 121011486924. Its totient is φ = 121011486922.

The previous prime is 121011486919. The next prime is 121011486997. The reversal of 121011486923 is 329684110121.

It is a weak prime.

It is an emirp because it is prime and its reverse (329684110121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121011486923 - 2² = 121011486919 is a prime.

It is not a weakly prime, because it can be changed into another prime (121011486023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505743461 + 60505743462.

It is an arithmetic number, because the mean of its divisors is an integer number (60505743462).

Almost surely, 2^121011486923 is an apocalyptic number.

121011486923 is a deficient number, since it is larger than the sum of its proper divisors (1).

121011486923 is an equidigital number, since it uses as much as digits as its factorization.

121011486923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 121011486923 in words is "one hundred twenty-one billion, eleven million, four hundred eighty-six thousand, nine hundred twenty-three".