1112212100001 has 16 divisors (see below), whose sum is σ = 1493774956800. Its totient is φ = 736076104848.

The previous prime is 1112212099997. The next prime is 1112212100033. The reversal of 1112212100001 is 1000012122111.

It is not a de Polignac number, because 1112212100001 - 2² = 1112212099997 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1112212100001.

It is not an unprimeable number, because it can be changed into a prime (1112212100081) 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 15 ways as a sum of consecutive naturals, for example, 1448971 + ... + 2079408.

It is an arithmetic number, because the mean of its divisors is an integer number (93360934800).

Almost surely, 2^{1112212100001} is an apocalyptic number.

It is an amenable number.

1112212100001 is a deficient number, since it is larger than the sum of its proper divisors (381562856799).

1112212100001 is a wasteful number, since it uses less digits than its factorization.

1112212100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529148.

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

Adding to 1112212100001 its reverse (1000012122111), we get a palindrome (2112224222112).

The spelling of 1112212100001 in words is "one trillion, one hundred twelve billion, two hundred twelve million, one hundred thousand, one".