121141121 has 4 divisors (see below), whose sum is σ = 121245744. Its totient is φ = 121036500.

The previous prime is 121141079. The next prime is 121141129.

121141121 is nontrivially palindromic in base 10.

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 a de Polignac number, because none of the positive numbers 2^k-121141121 is a prime.

It is a super-3 number, since 3×121141121³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121141096 and 121141105.

It is not an unprimeable number, because it can be changed into a prime (121141129) 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, 50555 + ... + 52896.

It is an arithmetic number, because the mean of its divisors is an integer number (30311436).

Almost surely, 2^121141121 is an apocalyptic number.

It is an amenable number.

121141121 is a deficient number, since it is larger than the sum of its proper divisors (104623).

121141121 is a wasteful number, since it uses less digits than its factorization.

121141121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104622.

The product of its digits is 16, while the sum is 14.

The square root of 121141121 is about 11006.4127216818. The cubic root of 121141121 is about 494.8009552412.

The spelling of 121141121 in words is "one hundred twenty-one million, one hundred forty-one thousand, one hundred twenty-one".