112211212201001 has 4 divisors (see below), whose sum is σ = 113030272144212. Its totient is φ = 111392152257792.

The previous prime is 112211212200991. The next prime is 112211212201007. The reversal of 112211212201001 is 100102212112211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70754341633600 + 41456870567401 = 8411560^2 + 6438701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112211212201001 is a prime.

It is a super-2 number, since 2×112211212201001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112211212201007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409529971400 + ... + 409529971673.

It is an arithmetic number, because the mean of its divisors is an integer number (28257568036053).

Almost surely, 2^{112211212201001} is an apocalyptic number.

It is an amenable number.

112211212201001 is a deficient number, since it is larger than the sum of its proper divisors (819059943211).

112211212201001 is an equidigital number, since it uses as much as digits as its factorization.

112211212201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819059943210.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112211212201001 its reverse (100102212112211), we get a palindrome (212313424313212).

It can be divided in two parts, 112211 and 212201001, that added together give a palindrome (212313212).

The spelling of 112211212201001 in words is "one hundred twelve trillion, two hundred eleven billion, two hundred twelve million, two hundred one thousand, one".