220112111213 has 2 divisors, whose sum is σ = 220112111214. Its totient is φ = 220112111212.

The previous prime is 220112111209. The next prime is 220112111243. The reversal of 220112111213 is 312111211022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219626261449 + 485849764 = 468643^2 + 22042^2 .

It is a cyclic number.

It is not a de Polignac number, because 220112111213 - 2² = 220112111209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220112111191 and 220112111200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220112111243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110056055606 + 110056055607.

It is an arithmetic number, because the mean of its divisors is an integer number (110056055607).

Almost surely, 2^220112111213 is an apocalyptic number.

It is an amenable number.

220112111213 is a deficient number, since it is larger than the sum of its proper divisors (1).

220112111213 is an equidigital number, since it uses as much as digits as its factorization.

220112111213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 220112111213 its reverse (312111211022), we get a palindrome (532223322235).

The spelling of 220112111213 in words is "two hundred twenty billion, one hundred twelve million, one hundred eleven thousand, two hundred thirteen".