1011001222112 has 24 divisors (see below), whose sum is σ = 2274752750256. Its totient is φ = 433286237952.

The previous prime is 1011001222109. The next prime is 1011001222129. The reversal of 1011001222112 is 2112221001101.

It is a super-2 number, since 2×1011001222112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2256698933 + ... + 2256699380.

It is an arithmetic number, because the mean of its divisors is an integer number (94781364594).

Almost surely, 2^{1011001222112} is an apocalyptic number.

It is an amenable number.

1011001222112 is an abundant number, since it is smaller than the sum of its proper divisors (1263751528144).

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

1011001222112 is an equidigital number, since it uses as much as digits as its factorization.

1011001222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513398330 (or 4513398322 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1011001222112 its reverse (2112221001101), we get a palindrome (3123222223213).

The spelling of 1011001222112 in words is "one trillion, eleven billion, one million, two hundred twenty-two thousand, one hundred twelve".