1001122001112 has 32 divisors (see below), whose sum is σ = 2504360602800. Its totient is φ = 333499920384.

The previous prime is 1001122001107. The next prime is 1001122001189. The reversal of 1001122001112 is 2111002211001.

It is a super-2 number, since 2×1001122001112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12923913 + ... + 13001144.

Almost surely, 2^{1001122001112} is an apocalyptic number.

1001122001112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1001122001112 is an abundant number, since it is smaller than the sum of its proper divisors (1503238601688).

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

1001122001112 is a wasteful number, since it uses less digits than its factorization.

1001122001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25926675 (or 25926671 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1001122001112 its reverse (2111002211001), we get a palindrome (3112124212113).

The spelling of 1001122001112 in words is "one trillion, one billion, one hundred twenty-two million, one thousand, one hundred twelve".