212233220113 has 2 divisors, whose sum is σ = 212233220114. Its totient is φ = 212233220112.

The previous prime is 212233220099. The next prime is 212233220119. The reversal of 212233220113 is 311022332212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192776317969 + 19456902144 = 439063^2 + 139488^2 .

It is a cyclic number.

It is not a de Polignac number, because 212233220113 - 2¹⁷ = 212233089041 is a prime.

It is not a weakly prime, because it can be changed into another prime (212233220119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106116610056 + 106116610057.

It is an arithmetic number, because the mean of its divisors is an integer number (106116610057).

Almost surely, 2^212233220113 is an apocalyptic number.

It is an amenable number.

212233220113 is a deficient number, since it is larger than the sum of its proper divisors (1).

212233220113 is an equidigital number, since it uses as much as digits as its factorization.

212233220113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212233220113 its reverse (311022332212), we get a palindrome (523255552325).

The spelling of 212233220113 in words is "two hundred twelve billion, two hundred thirty-three million, two hundred twenty thousand, one hundred thirteen".