221112222033012 has 96 divisors (see below), whose sum is σ = 529866287596800. Its totient is φ = 71736510643200.

The previous prime is 221112222032971. The next prime is 221112222033029. The reversal of 221112222033012 is 210330222211122.

It is a super-2 number, since 2×221112222033012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68823864 + ... + 71964912.

It is an arithmetic number, because the mean of its divisors is an integer number (5519440495800).

Almost surely, 2^{221112222033012} is an apocalyptic number.

It is an amenable number.

221112222033012 is an abundant number, since it is smaller than the sum of its proper divisors (308754065563788).

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

221112222033012 is a wasteful number, since it uses less digits than its factorization.

221112222033012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141993 (or 3141991 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 221112222033012 its reverse (210330222211122), we get a palindrome (431442444244134).

The spelling of 221112222033012 in words is "two hundred twenty-one trillion, one hundred twelve billion, two hundred twenty-two million, thirty-three thousand, twelve".