220113231133 has 4 divisors (see below), whose sum is σ = 220117077180. Its totient is φ = 220109385088.

The previous prime is 220113231103. The next prime is 220113231167. The reversal of 220113231133 is 331132311022.

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 96182477689 + 123930753444 = 310133^2 + 352038^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220113231133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220113231103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1835860 + ... + 1952077.

It is an arithmetic number, because the mean of its divisors is an integer number (55029269295).

Almost surely, 2^220113231133 is an apocalyptic number.

It is an amenable number.

220113231133 is a deficient number, since it is larger than the sum of its proper divisors (3846047).

220113231133 is an equidigital number, since it uses as much as digits as its factorization.

220113231133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3846046.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 220113231133 its reverse (331132311022), we get a palindrome (551245542155).

The spelling of 220113231133 in words is "two hundred twenty billion, one hundred thirteen million, two hundred thirty-one thousand, one hundred thirty-three".