212221111210033 has 4 divisors (see below), whose sum is σ = 213626549032768. Its totient is φ = 210815673387300.

The previous prime is 212221111210027. The next prime is 212221111210057. The reversal of 212221111210033 is 330012111122212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212221111210033 is a prime.

It is a super-2 number, since 2×212221111210033² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212221111209986 and 212221111210013.

It is not an unprimeable number, because it can be changed into a prime (212221111250033) 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 3 ways as a sum of consecutive naturals, for example, 702718911141 + ... + 702718911442.

It is an arithmetic number, because the mean of its divisors is an integer number (53406637258192).

Almost surely, 2^{212221111210033} is an apocalyptic number.

It is an amenable number.

212221111210033 is a deficient number, since it is larger than the sum of its proper divisors (1405437822735).

212221111210033 is a wasteful number, since it uses less digits than its factorization.

212221111210033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405437822734.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 212221111210033 its reverse (330012111122212), we get a palindrome (542233222332245).

The spelling of 212221111210033 in words is "two hundred twelve trillion, two hundred twenty-one billion, one hundred eleven million, two hundred ten thousand, thirty-three".