121011116047 has 2 divisors, whose sum is σ = 121011116048. Its totient is φ = 121011116046.

The previous prime is 121011116003. The next prime is 121011116069. The reversal of 121011116047 is 740611110121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121011116047 - 2³⁵ = 86651377679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121011176047) 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, 60505558023 + 60505558024.

It is an arithmetic number, because the mean of its divisors is an integer number (60505558024).

Almost surely, 2^121011116047 is an apocalyptic number.

121011116047 is a deficient number, since it is larger than the sum of its proper divisors (1).

121011116047 is an equidigital number, since it uses as much as digits as its factorization.

121011116047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 25.

Adding to 121011116047 its reverse (740611110121), we get a palindrome (861622226168).

The spelling of 121011116047 in words is "one hundred twenty-one billion, eleven million, one hundred sixteen thousand, forty-seven".