1112121122 has 8 divisors (see below), whose sum is σ = 1906493376. Its totient is φ = 476623332.

The previous prime is 1112121107. The next prime is 1112121161. The reversal of 1112121122 is 2211212111.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 79437223 = 1112121122 / (1 + 1 + 1 + 2 + 1 + 2 + 1 + 1 + 2 + 2).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1112121097 and 1112121106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39718598 + ... + 39718625.

It is an arithmetic number, because the mean of its divisors is an integer number (238311672).

Almost surely, 2^1112121122 is an apocalyptic number.

1112121122 is a deficient number, since it is larger than the sum of its proper divisors (794372254).

1112121122 is an equidigital number, since it uses as much as digits as its factorization.

1112121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79437232.

The product of its digits is 16, while the sum is 14.

The square root of 1112121122 is about 33348.4800553189. The cubic root of 1112121122 is about 1036.0579074731.

Adding to 1112121122 its reverse (2211212111), we get a palindrome (3323333233).

The spelling of 1112121122 in words is "one billion, one hundred twelve million, one hundred twenty-one thousand, one hundred twenty-two".