1001112122 has 8 divisors (see below), whose sum is σ = 1566958176. Its totient is φ = 478792732.

The previous prime is 1001112107. The next prime is 1001112127. The reversal of 1001112122 is 2212111001.

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

It is not an unprimeable number, because it can be changed into a prime (1001112127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10881608 + ... + 10881699.

It is an arithmetic number, because the mean of its divisors is an integer number (195869772).

Almost surely, 2^1001112122 is an apocalyptic number.

1001112122 is a deficient number, since it is larger than the sum of its proper divisors (565846054).

1001112122 is a wasteful number, since it uses less digits than its factorization.

1001112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21763332.

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

The square root of 1001112122 is about 31640.3559082385. The cubic root of 1001112122 is about 1000.3705699943.

Adding to 1001112122 its reverse (2212111001), we get a palindrome (3213223123).

The spelling of 1001112122 in words is "one billion, one million, one hundred twelve thousand, one hundred twenty-two".