1122111242 has 16 divisors (see below), whose sum is σ = 1926165312. Its totient is φ = 480268320.

The previous prime is 1122111233. The next prime is 1122111271. The reversal of 1122111242 is 2421112211.

It is a self number, because there is not a number n which added to its sum of digits gives 1122111242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42008 + ... + 63315.

It is an arithmetic number, because the mean of its divisors is an integer number (120385332).

Almost surely, 2^1122111242 is an apocalyptic number.

1122111242 is a deficient number, since it is larger than the sum of its proper divisors (804054070).

1122111242 is a wasteful number, since it uses less digits than its factorization.

1122111242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106093.

The product of its digits is 64, while the sum is 17.

The square root of 1122111242 is about 33497.9289210542. The cubic root of 1122111242 is about 1039.1509471872.

Adding to 1122111242 its reverse (2421112211), we get a palindrome (3543223453).

The spelling of 1122111242 in words is "one billion, one hundred twenty-two million, one hundred eleven thousand, two hundred forty-two".