121100107 has 2 divisors, whose sum is σ = 121100108. Its totient is φ = 121100106.

The previous prime is 121100093. The next prime is 121100117. The reversal of 121100107 is 701001121.

It is a strong prime.

It is an emirp because it is prime and its reverse (701001121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121100107 - 2¹⁵ = 121067339 is a prime.

It is a super-2 number, since 2×121100107² = 29330471830822898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121100117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550053 + 60550054.

It is an arithmetic number, because the mean of its divisors is an integer number (60550054).

Almost surely, 2^121100107 is an apocalyptic number.

121100107 is a deficient number, since it is larger than the sum of its proper divisors (1).

121100107 is an equidigital number, since it uses as much as digits as its factorization.

121100107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 121100107 is about 11004.5493774166. The cubic root of 121100107 is about 494.7451083719.

Adding to 121100107 its reverse (701001121), we get a palindrome (822101228).

The spelling of 121100107 in words is "one hundred twenty-one million, one hundred thousand, one hundred seven".