1112213141 has 4 divisors (see below), whose sum is σ = 1197768012. Its totient is φ = 1026658272.

The previous prime is 1112213129. The next prime is 1112213147. The reversal of 1112213141 is 1413122111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1413122111 = 311 ⋅4543801.

It can be written as a sum of positive squares in 2 ways, for example, as 673143025 + 439070116 = 25945^2 + 20954^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112213141 - 2¹⁰ = 1112212117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112213147) 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, 42777416 + ... + 42777441.

It is an arithmetic number, because the mean of its divisors is an integer number (299442003).

Almost surely, 2^1112213141 is an apocalyptic number.

It is an amenable number.

1112213141 is a deficient number, since it is larger than the sum of its proper divisors (85554871).

1112213141 is an equidigital number, since it uses as much as digits as its factorization.

1112213141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85554870.

The product of its digits is 48, while the sum is 17.

The square root of 1112213141 is about 33349.8596848622. The cubic root of 1112213141 is about 1036.0864818137.

Adding to 1112213141 its reverse (1413122111), we get a palindrome (2525335252).

The spelling of 1112213141 in words is "one billion, one hundred twelve million, two hundred thirteen thousand, one hundred forty-one".