121110120007 has 2 divisors, whose sum is σ = 121110120008. Its totient is φ = 121110120006.

The previous prime is 121110119989. The next prime is 121110120049. The reversal of 121110120007 is 700021011121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121110120007 - 2¹¹ = 121110117959 is a prime.

It is a super-2 number, since 2×121110120007² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121110120097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60555060003 + 60555060004.

It is an arithmetic number, because the mean of its divisors is an integer number (60555060004).

Almost surely, 2^121110120007 is an apocalyptic number.

121110120007 is a deficient number, since it is larger than the sum of its proper divisors (1).

121110120007 is an equidigital number, since it uses as much as digits as its factorization.

121110120007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 121110120007 its reverse (700021011121), we get a palindrome (821131131128).

The spelling of 121110120007 in words is "one hundred twenty-one billion, one hundred ten million, one hundred twenty thousand, seven".