1112001221122 has 16 divisors (see below), whose sum is σ = 1819727832672. Its totient is φ = 505430247520.

The previous prime is 1112001221119. The next prime is 1112001221161. The reversal of 1112001221122 is 2211221002111.

It is a junction number, because it is equal to n+sod(n) for n = 1112001221096 and 1112001221105.

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, 781243 + ... + 1683550.

It is an arithmetic number, because the mean of its divisors is an integer number (113732989542).

Almost surely, 2^{1112001221122} is an apocalyptic number.

1112001221122 is a deficient number, since it is larger than the sum of its proper divisors (707726611550).

1112001221122 is a wasteful number, since it uses less digits than its factorization.

1112001221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485313.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1112001221122 its reverse (2211221002111), we get a palindrome (3323222223233).

The spelling of 1112001221122 in words is "one trillion, one hundred twelve billion, one million, two hundred twenty-one thousand, one hundred twenty-two".