121112241 has 16 divisors (see below), whose sum is σ = 164097024. Its totient is φ = 79444944.

The previous prime is 121112203. The next prime is 121112263. The reversal of 121112241 is 142211121.

It is not a de Polignac number, because 121112241 - 2⁶ = 121112177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121112241.

It is not an unprimeable number, because it can be changed into a prime (121112281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50430 + ... + 52776.

It is an arithmetic number, because the mean of its divisors is an integer number (10256064).

Almost surely, 2^121112241 is an apocalyptic number.

It is an amenable number.

121112241 is a deficient number, since it is larger than the sum of its proper divisors (42984783).

121112241 is a wasteful number, since it uses less digits than its factorization.

121112241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620.

The product of its digits is 32, while the sum is 15.

The square root of 121112241 is about 11005.1006810479. The cubic root of 121112241 is about 494.7616319925.

Adding to 121112241 its reverse (142211121), we get a palindrome (263323362).

The spelling of 121112241 in words is "one hundred twenty-one million, one hundred twelve thousand, two hundred forty-one".