221303222113031 has 8 divisors (see below), whose sum is σ = 233618240814000. Its totient is φ = 209054951481600.

The previous prime is 221303222113027. The next prime is 221303222113087. The reversal of 221303222113031 is 130311222303122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221303222113031 - 2² = 221303222113027 is a prime.

It is a super-2 number, since 2×221303222113031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221303222113021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16687010570 + ... + 16687023831.

It is an arithmetic number, because the mean of its divisors is an integer number (29202280101750).

Almost surely, 2^{221303222113031} is an apocalyptic number.

221303222113031 is a deficient number, since it is larger than the sum of its proper divisors (12315018700969).

221303222113031 is a wasteful number, since it uses less digits than its factorization.

221303222113031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33374034769.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 221303222113031 its reverse (130311222303122), we get a palindrome (351614444416153).

The spelling of 221303222113031 in words is "two hundred twenty-one trillion, three hundred three billion, two hundred twenty-two million, one hundred thirteen thousand, thirty-one".