11123031332020 has 48 divisors (see below), whose sum is σ = 23756727012480. Its totient is φ = 4373349805184.

The previous prime is 11123031332003. The next prime is 11123031332027. The reversal of 11123031332020 is 2023313032111.

It is a junction number, because it is equal to n+sod(n) for n = 11123031331982 and 11123031332000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123031332027) 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, 11042502 + ... + 12007618.

It is an arithmetic number, because the mean of its divisors is an integer number (494931812760).

Almost surely, 2^{11123031332020} is an apocalyptic number.

11123031332020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11123031332020 is an abundant number, since it is smaller than the sum of its proper divisors (12633695680460).

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

11123031332020 is a wasteful number, since it uses less digits than its factorization.

11123031332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974952 (or 974950 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 11123031332020 its reverse (2023313032111), we get a palindrome (13146344364131).

The spelling of 11123031332020 in words is "eleven trillion, one hundred twenty-three billion, thirty-one million, three hundred thirty-two thousand, twenty".