1001220001112 has 32 divisors (see below), whose sum is σ = 1893611174400. Its totient is φ = 496263446784.

The previous prime is 1001220001097. The next prime is 1001220001123. The reversal of 1001220001112 is 2111000221001.

It is a junction number, because it is equal to n+sod(n) for n = 1001220001093 and 1001220001102.

It is a congruent number.

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, 847748 + ... + 1649580.

It is an arithmetic number, because the mean of its divisors is an integer number (59175349200).

Almost surely, 2^{1001220001112} is an apocalyptic number.

It is an amenable number.

1001220001112 is a deficient number, since it is larger than the sum of its proper divisors (892391173288).

1001220001112 is a wasteful number, since it uses less digits than its factorization.

1001220001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803195 (or 803191 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1001220001112 its reverse (2111000221001), we get a palindrome (3112220222113).

The spelling of 1001220001112 in words is "one trillion, one billion, two hundred twenty million, one thousand, one hundred twelve".