121101111007 has 2 divisors, whose sum is σ = 121101111008. Its totient is φ = 121101111006.

The previous prime is 121101110987. The next prime is 121101111011. The reversal of 121101111007 is 700111101121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121101111007 - 2¹¹ = 121101108959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121101111067) 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, 60550555503 + 60550555504.

It is an arithmetic number, because the mean of its divisors is an integer number (60550555504).

Almost surely, 2^121101111007 is an apocalyptic number.

121101111007 is a deficient number, since it is larger than the sum of its proper divisors (1).

121101111007 is an equidigital number, since it uses as much as digits as its factorization.

121101111007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14, while the sum is 16.

Adding to 121101111007 its reverse (700111101121), we get a palindrome (821212212128).

The spelling of 121101111007 in words is "one hundred twenty-one billion, one hundred one million, one hundred eleven thousand, seven".