1111211342 has 8 divisors (see below), whose sum is σ = 1668568896. Its totient is φ = 555021712.

The previous prime is 1111211323. The next prime is 1111211347. The reversal of 1111211342 is 2431121111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1111211342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111211347) 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 3 ways as a sum of consecutive naturals, for example, 289598 + ... + 293409.

It is an arithmetic number, because the mean of its divisors is an integer number (208571112).

Almost surely, 2^1111211342 is an apocalyptic number.

1111211342 is a deficient number, since it is larger than the sum of its proper divisors (557357554).

1111211342 is an equidigital number, since it uses as much as digits as its factorization.

1111211342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583962.

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

The square root of 1111211342 is about 33334.8367627622. The cubic root of 1111211342 is about 1035.7753117825.

Adding to 1111211342 its reverse (2431121111), we get a palindrome (3542332453).

The spelling of 1111211342 in words is "one billion, one hundred eleven million, two hundred eleven thousand, three hundred forty-two".