221112441013 has 4 divisors (see below), whose sum is σ = 226254590848. Its totient is φ = 215970291180.

The previous prime is 221112441001. The next prime is 221112441037. The reversal of 221112441013 is 310144211122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 221112441013 - 2³³ = 212522506421 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 (221112441113) 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, 2571074853 + ... + 2571074938.

It is an arithmetic number, because the mean of its divisors is an integer number (56563647712).

Almost surely, 2^221112441013 is an apocalyptic number.

It is an amenable number.

221112441013 is a deficient number, since it is larger than the sum of its proper divisors (5142149835).

221112441013 is an equidigital number, since it uses as much as digits as its factorization.

221112441013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5142149834.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 221112441013 its reverse (310144211122), we get a palindrome (531256652135).

The spelling of 221112441013 in words is "two hundred twenty-one billion, one hundred twelve million, four hundred forty-one thousand, thirteen".