1121121141 has 8 divisors (see below), whose sum is σ = 1708375104. Its totient is φ = 640640640.

The previous prime is 1121121103. The next prime is 1121121263. The reversal of 1121121141 is 1411211211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1121121141 - 2¹¹ = 1121119093 is a prime.

It is a super-2 number, since 2×1121121141² = 2513825225594283762, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121121141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121121641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26693340 + ... + 26693381.

It is an arithmetic number, because the mean of its divisors is an integer number (213546888).

Almost surely, 2^1121121141 is an apocalyptic number.

It is an amenable number.

1121121141 is a deficient number, since it is larger than the sum of its proper divisors (587253963).

1121121141 is an equidigital number, since it uses as much as digits as its factorization.

1121121141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53386731.

The product of its digits is 16, while the sum is 15.

The square root of 1121121141 is about 33483.1471191105. The cubic root of 1121121141 is about 1038.8452237408.

Adding to 1121121141 its reverse (1411211211), we get a palindrome (2532332352).

It can be divided in two parts, 112 and 1121141, that added together give a triangular number (1121253 = T₁₄₉₇).

The spelling of 1121121141 in words is "one billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred forty-one".