121041113 has 4 divisors (see below), whose sum is σ = 121258980. Its totient is φ = 120823248.

The previous prime is 121041101. The next prime is 121041119. The reversal of 121041113 is 311140121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49942489 + 71098624 = 7067^2 + 8432^2 .

It is a cyclic number.

It is not a de Polignac number, because 121041113 - 2⁶ = 121041049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121041119) 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, 108098 + ... + 109211.

It is an arithmetic number, because the mean of its divisors is an integer number (30314745).

Almost surely, 2^121041113 is an apocalyptic number.

It is an amenable number.

121041113 is a deficient number, since it is larger than the sum of its proper divisors (217867).

121041113 is an equidigital number, since it uses as much as digits as its factorization.

121041113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217866.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 121041113 is about 11001.8686140128. The cubic root of 121041113 is about 494.6647568500.

Adding to 121041113 its reverse (311140121), we get a palindrome (432181234).

The spelling of 121041113 in words is "one hundred twenty-one million, forty-one thousand, one hundred thirteen".