212221111444033 has 8 divisors (see below), whose sum is σ = 212353832186496. Its totient is φ = 212088427770000.

The previous prime is 212221111444009. The next prime is 212221111444037. The reversal of 212221111444033 is 330444111122212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212221111444033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212221111443986 and 212221111444004.

It is not an unprimeable number, because it can be changed into a prime (212221111444037) by changing a digit.

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, 2191135 + ... + 20718187.

It is an arithmetic number, because the mean of its divisors is an integer number (26544229023312).

Almost surely, 2^{212221111444033} is an apocalyptic number.

It is an amenable number.

212221111444033 is a deficient number, since it is larger than the sum of its proper divisors (132720742463).

212221111444033 is a wasteful number, since it uses less digits than its factorization.

212221111444033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18534215.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 212221111444033 its reverse (330444111122212), we get a palindrome (542665222566245).

The spelling of 212221111444033 in words is "two hundred twelve trillion, two hundred twenty-one billion, one hundred eleven million, four hundred forty-four thousand, thirty-three".