121140611 has 2 divisors, whose sum is σ = 121140612. Its totient is φ = 121140610.

The previous prime is 121140581. The next prime is 121140641. The reversal of 121140611 is 116041121.

It is a balanced prime because it is at equal distance from previous prime (121140581) and next prime (121140641).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121140611 is a prime.

It is a super-3 number, since 3×121140611³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121140611.

It is not a weakly prime, because it can be changed into another prime (121140641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60570305 + 60570306.

It is an arithmetic number, because the mean of its divisors is an integer number (60570306).

Almost surely, 2^121140611 is an apocalyptic number.

121140611 is a deficient number, since it is larger than the sum of its proper divisors (1).

121140611 is an equidigital number, since it uses as much as digits as its factorization.

121140611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 121140611 is about 11006.3895533458. The cubic root of 121140611 is about 494.8002608752.

Adding to 121140611 its reverse (116041121), we get a palindrome (237181732).

The spelling of 121140611 in words is "one hundred twenty-one million, one hundred forty thousand, six hundred eleven".