1122042111 has 8 divisors (see below), whose sum is σ = 1498475520. Its totient is φ = 746818392.

The previous prime is 1122042107. The next prime is 1122042127. The reversal of 1122042111 is 1112402211.

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

It is not a de Polignac number, because 1122042111 - 2² = 1122042107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122042101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300255 + ... + 303968.

It is an arithmetic number, because the mean of its divisors is an integer number (187309440).

Almost surely, 2^1122042111 is an apocalyptic number.

1122042111 is a deficient number, since it is larger than the sum of its proper divisors (376433409).

1122042111 is an equidigital number, since it uses as much as digits as its factorization.

1122042111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604845.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1122042111 is about 33496.8970353972. The cubic root of 1122042111 is about 1039.1296067542.

Adding to 1122042111 its reverse (1112402211), we get a palindrome (2234444322).

The spelling of 1122042111 in words is "one billion, one hundred twenty-two million, forty-two thousand, one hundred eleven".