22011212033 has 2 divisors, whose sum is σ = 22011212034. Its totient is φ = 22011212032.

The previous prime is 22011211987. The next prime is 22011212039. The reversal of 22011212033 is 33021211022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14682653584 + 7328558449 = 121172^2 + 85607^2 .

It is a cyclic number.

It is not a de Polignac number, because 22011212033 - 2¹⁰ = 22011211009 is a prime.

It is a super-4 number, since 4×22011212033⁴ (a number of 42 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (22011212039) 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 as a sum of consecutive naturals, namely, 11005606016 + 11005606017.

It is an arithmetic number, because the mean of its divisors is an integer number (11005606017).

Almost surely, 2^22011212033 is an apocalyptic number.

It is an amenable number.

22011212033 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011212033 is an equidigital number, since it uses as much as digits as its factorization.

22011212033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22011212033 its reverse (33021211022), we get a palindrome (55032423055).

The spelling of 22011212033 in words is "twenty-two billion, eleven million, two hundred twelve thousand, thirty-three".