220031222113 has 4 divisors (see below), whose sum is σ = 220045305348. Its totient is φ = 220017138880.

The previous prime is 220031222107. The next prime is 220031222123. The reversal of 220031222113 is 311222130022.

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 142890048064 + 77141174049 = 378008^2 + 277743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220031222113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220031222123) 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, 7018156 + ... + 7049437.

It is an arithmetic number, because the mean of its divisors is an integer number (55011326337).

Almost surely, 2^220031222113 is an apocalyptic number.

It is an amenable number.

220031222113 is a deficient number, since it is larger than the sum of its proper divisors (14083235).

220031222113 is a wasteful number, since it uses less digits than its factorization.

220031222113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14083234.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 220031222113 its reverse (311222130022), we get a palindrome (531253352135).

The spelling of 220031222113 in words is "two hundred twenty billion, thirty-one million, two hundred twenty-two thousand, one hundred thirteen".