11231002112220 has 72 divisors (see below), whose sum is σ = 37164406996080. Its totient is φ = 2722667178240.

The previous prime is 11231002112153. The next prime is 11231002112261. The reversal of 11231002112220 is 2221120013211.

11231002112220 is a `hidden beast` number, since 1 + 1 + 231 + 0 + 0 + 211 + 2 + 220 = 666.

It is a super-2 number, since 2×11231002112220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11231002112193 and 11231002112202.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2836109665 + ... + 2836113624.

It is an arithmetic number, because the mean of its divisors is an integer number (516172319390).

Almost surely, 2^{11231002112220} is an apocalyptic number.

11231002112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11231002112220 is an abundant number, since it is smaller than the sum of its proper divisors (25933404883860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11231002112220 is a wasteful number, since it uses less digits than its factorization.

11231002112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672223315 (or 5672223310 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11231002112220 its reverse (2221120013211), we get a palindrome (13452122125431).

The spelling of 11231002112220 in words is "eleven trillion, two hundred thirty-one billion, two million, one hundred twelve thousand, two hundred twenty".