121325111 has 2 divisors, whose sum is σ = 121325112. Its totient is φ = 121325110.

The previous prime is 121325081. The next prime is 121325131. The reversal of 121325111 is 111523121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121325111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121325111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121325131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60662555 + 60662556.

It is an arithmetic number, because the mean of its divisors is an integer number (60662556).

Almost surely, 2^121325111 is an apocalyptic number.

121325111 is a deficient number, since it is larger than the sum of its proper divisors (1).

121325111 is an equidigital number, since it uses as much as digits as its factorization.

121325111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60, while the sum is 17.

The square root of 121325111 is about 11014.7678595602. The cubic root of 121325111 is about 495.0513309351.

Adding to 121325111 its reverse (111523121), we get a palindrome (232848232).

The spelling of 121325111 in words is "one hundred twenty-one million, three hundred twenty-five thousand, one hundred eleven".