11231221111330 has 32 divisors (see below), whose sum is σ = 22054346523648. Its totient is φ = 4084022563200.

The previous prime is 11231221111321. The next prime is 11231221111339. The reversal of 11231221111330 is 3311112213211.

It is an interprime number because it is at equal distance from previous prime (11231221111321) and next prime (11231221111339).

It is a super-2 number, since 2×11231221111330² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (11231221111339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7502719 + ... + 8874301.

It is an arithmetic number, because the mean of its divisors is an integer number (689198328864).

Almost surely, 2^{11231221111330} is an apocalyptic number.

11231221111330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11231221111330 is a deficient number, since it is larger than the sum of its proper divisors (10823125412318).

11231221111330 is a wasteful number, since it uses less digits than its factorization.

11231221111330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446042.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 11231221111330 its reverse (3311112213211), we get a palindrome (14542333324541).

The spelling of 11231221111330 in words is "eleven trillion, two hundred thirty-one billion, two hundred twenty-one million, one hundred eleven thousand, three hundred thirty".