110331222221 has 16 divisors (see below), whose sum is σ = 122359061376. Its totient is φ = 98637000000.

The previous prime is 110331222193. The next prime is 110331222233. The reversal of 110331222221 is 122222133011.

It is a de Polignac number, because none of the positive numbers 2^k-110331222221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110331222193 and 110331222202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110331222241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4080296 + ... + 4107246.

It is an arithmetic number, because the mean of its divisors is an integer number (7647441336).

Almost surely, 2^110331222221 is an apocalyptic number.

110331222221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110331222221 is a deficient number, since it is larger than the sum of its proper divisors (12027839155).

110331222221 is a wasteful number, since it uses less digits than its factorization.

110331222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33124.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 110331222221 its reverse (122222133011), we get a palindrome (232553355232).

The spelling of 110331222221 in words is "one hundred ten billion, three hundred thirty-one million, two hundred twenty-two thousand, two hundred twenty-one".