20330222231111 has 16 divisors (see below), whose sum is σ = 22058658084960. Its totient is φ = 18625699223040.

The previous prime is 20330222231089. The next prime is 20330222231161. The reversal of 20330222231111 is 11113222203302.

It is not a de Polignac number, because 20330222231111 - 2¹⁸ = 20330221968967 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 (20330222231161) 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, 7172150 + ... + 9596883.

It is an arithmetic number, because the mean of its divisors is an integer number (1378666130310).

Almost surely, 2^{20330222231111} is an apocalyptic number.

20330222231111 is a deficient number, since it is larger than the sum of its proper divisors (1728435853849).

20330222231111 is a wasteful number, since it uses less digits than its factorization.

20330222231111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16769746.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20330222231111 its reverse (11113222203302), we get a palindrome (31443444434413).

The spelling of 20330222231111 in words is "twenty trillion, three hundred thirty billion, two hundred twenty-two million, two hundred thirty-one thousand, one hundred eleven".