6111121 has 4 divisors (see below), whose sum is σ = 6151744. Its totient is φ = 6070500.

The previous prime is 6111089. The next prime is 6111139. The reversal of 6111121 is 1211116.

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 not a de Polignac number, because 6111121 - 2⁵ = 6111089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6111151) 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, 20085 + ... + 20386.

It is an arithmetic number, because the mean of its divisors is an integer number (1537936).

Almost surely, 2^6111121 is an apocalyptic number.

It is an amenable number.

6111121 is a deficient number, since it is larger than the sum of its proper divisors (40623).

6111121 is a wasteful number, since it uses less digits than its factorization.

6111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40622.

The product of its digits is 12, while the sum is 13.

The square root of 6111121 is about 2472.0681624907. The cubic root of 6111121 is about 182.8269836967.

Adding to 6111121 its reverse (1211116), we get a palindrome (7322237).

The spelling of 6111121 in words is "six million, one hundred eleven thousand, one hundred twenty-one".