121144011 has 16 divisors (see below), whose sum is σ = 164411424. Its totient is φ = 79329024.

The previous prime is 121144007. The next prime is 121144027. The reversal of 121144011 is 110441121.

It is not a de Polignac number, because 121144011 - 2² = 121144007 is a prime.

It is a super-3 number, since 3×121144011³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121144211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59665 + ... + 61661.

It is an arithmetic number, because the mean of its divisors is an integer number (10275714).

Almost surely, 2^121144011 is an apocalyptic number.

121144011 is a deficient number, since it is larger than the sum of its proper divisors (43267413).

121144011 is a wasteful number, since it uses less digits than its factorization.

121144011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350.

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

The square root of 121144011 is about 11006.5440079982. The cubic root of 121144011 is about 494.8048899453.

Adding to 121144011 its reverse (110441121), we get a palindrome (231585132).

The spelling of 121144011 in words is "one hundred twenty-one million, one hundred forty-four thousand, eleven".