121098928927 has 2 divisors, whose sum is σ = 121098928928. Its totient is φ = 121098928926.

The previous prime is 121098928913. The next prime is 121098928943. The reversal of 121098928927 is 729829890121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121098928927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121098968927) 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, 60549464463 + 60549464464.

It is an arithmetic number, because the mean of its divisors is an integer number (60549464464).

Almost surely, 2^121098928927 is an apocalyptic number.

121098928927 is a deficient number, since it is larger than the sum of its proper divisors (1).

121098928927 is an equidigital number, since it uses as much as digits as its factorization.

121098928927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 58.

The spelling of 121098928927 in words is "one hundred twenty-one billion, ninety-eight million, nine hundred twenty-eight thousand, nine hundred twenty-seven".