220211222113 has 4 divisors (see below), whose sum is σ = 220241691540. Its totient is φ = 220180752688.

The previous prime is 220211222051. The next prime is 220211222129. The reversal of 220211222113 is 311222112022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 201918118609 + 18293103504 = 449353^2 + 135252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220211222113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220211222173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15223870 + ... + 15238327.

It is an arithmetic number, because the mean of its divisors is an integer number (55060422885).

Almost surely, 2^220211222113 is an apocalyptic number.

It is an amenable number.

220211222113 is a deficient number, since it is larger than the sum of its proper divisors (30469427).

220211222113 is an equidigital number, since it uses as much as digits as its factorization.

220211222113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30469426.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 220211222113 its reverse (311222112022), we get a palindrome (531433334135).

The spelling of 220211222113 in words is "two hundred twenty billion, two hundred eleven million, two hundred twenty-two thousand, one hundred thirteen".