1141121131 has 4 divisors (see below), whose sum is σ = 1165400352. Its totient is φ = 1116841912.

The previous prime is 1141121077. The next prime is 1141121161. The reversal of 1141121131 is 1311211411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1311211411 = 17 ⋅77130083.

It is a cyclic number.

It is not a de Polignac number, because 1141121131 - 2⁹ = 1141120619 is a prime.

It is a super-2 number, since 2×1141121131² = 2604314871229438322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141121161) 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, 12139540 + ... + 12139633.

It is an arithmetic number, because the mean of its divisors is an integer number (291350088).

Almost surely, 2^1141121131 is an apocalyptic number.

1141121131 is a deficient number, since it is larger than the sum of its proper divisors (24279221).

1141121131 is an equidigital number, since it uses as much as digits as its factorization.

1141121131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24279220.

The product of its digits is 24, while the sum is 16.

The square root of 1141121131 is about 33780.4844695869. The cubic root of 1141121131 is about 1044.9862657017.

Adding to 1141121131 its reverse (1311211411), we get a palindrome (2452332542).

The spelling of 1141121131 in words is "one billion, one hundred forty-one million, one hundred twenty-one thousand, one hundred thirty-one".