121112441 has 4 divisors (see below), whose sum is σ = 127486800. Its totient is φ = 114738084.

The previous prime is 121112399. The next prime is 121112449. The reversal of 121112441 is 144211121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121112441 - 2⁶ = 121112377 is a prime.

It is a super-3 number, since 3×121112441³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121112449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3187151 + ... + 3187188.

It is an arithmetic number, because the mean of its divisors is an integer number (31871700).

Almost surely, 2^121112441 is an apocalyptic number.

It is an amenable number.

121112441 is a deficient number, since it is larger than the sum of its proper divisors (6374359).

121112441 is an equidigital number, since it uses as much as digits as its factorization.

121112441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6374358.

The product of its digits is 64, while the sum is 17.

The square root of 121112441 is about 11005.1097677397. The cubic root of 121112441 is about 494.7619043356.

Adding to 121112441 its reverse (144211121), we get a palindrome (265323562).

It can be divided in two parts, 1211 and 12441, that multiplied together give a palindrome (15066051).

The spelling of 121112441 in words is "one hundred twenty-one million, one hundred twelve thousand, four hundred forty-one".