121441011 has 4 divisors (see below), whose sum is σ = 161921352. Its totient is φ = 80960672.

The previous prime is 121441003. The next prime is 121441069. The reversal of 121441011 is 110144121.

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

It is a cyclic number.

It is not a de Polignac number, because 121441011 - 2³ = 121441003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121441211) 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, 20240166 + ... + 20240171.

It is an arithmetic number, because the mean of its divisors is an integer number (40480338).

Almost surely, 2^121441011 is an apocalyptic number.

121441011 is a deficient number, since it is larger than the sum of its proper divisors (40480341).

121441011 is an equidigital number, since it uses as much as digits as its factorization.

121441011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40480340.

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

The square root of 121441011 is about 11020.0277222882. The cubic root of 121441011 is about 495.2089190556.

Adding to 121441011 its reverse (110144121), we get a palindrome (231585132).

The spelling of 121441011 in words is "one hundred twenty-one million, four hundred forty-one thousand, eleven".