1000112221122 has 16 divisors (see below), whose sum is σ = 2285970791232. Its totient is φ = 285746348880.

The previous prime is 1000112221111. The next prime is 1000112221181. The reversal of 1000112221122 is 2211222110001.

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, 11906097829 + ... + 11906097912.

It is an arithmetic number, because the mean of its divisors is an integer number (142873174452).

Almost surely, 2^{1000112221122} is an apocalyptic number.

1000112221122 is an abundant number, since it is smaller than the sum of its proper divisors (1285858570110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000112221122 is a wasteful number, since it uses less digits than its factorization.

1000112221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23812195753.

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

Adding to 1000112221122 its reverse (2211222110001), we get a palindrome (3211334331123).

The spelling of 1000112221122 in words is "one trillion, one hundred twelve million, two hundred twenty-one thousand, one hundred twenty-two".