121201113 has 8 divisors (see below), whose sum is σ = 176292576. Its totient is φ = 73455200.

The previous prime is 121201051. The next prime is 121201117. The reversal of 121201113 is 311102121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121201113 is a prime.

It is a super-3 number, since 3×121201113³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121201117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1836348 + ... + 1836413.

It is an arithmetic number, because the mean of its divisors is an integer number (22036572).

Almost surely, 2^121201113 is an apocalyptic number.

It is an amenable number.

121201113 is a deficient number, since it is larger than the sum of its proper divisors (55091463).

121201113 is a wasteful number, since it uses less digits than its factorization.

121201113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672775.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 121201113 is about 11009.1377046524. The cubic root of 121201113 is about 494.8826208775.

Adding to 121201113 its reverse (311102121), we get a palindrome (432303234).

The spelling of 121201113 in words is "one hundred twenty-one million, two hundred one thousand, one hundred thirteen".