11121332220000 has 180 divisors, whose sum is σ = 39520210750020. Its totient is φ = 2965688544000.

The previous prime is 11121332219999. The next prime is 11121332220137. The reversal of 11121332220000 is 2223312111.

11121332220000 is a `hidden beast` number, since 1 + 112 + 1 + 332 + 220 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is a super-2 number, since 2×11121332220000² (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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 30712590 + ... + 31072589.

It is an arithmetic number, because the mean of its divisors is an integer number (219556726389).

Almost surely, 2^{11121332220000} is an apocalyptic number.

11121332220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121332220000 is an abundant number, since it is smaller than the sum of its proper divisors (28398878530020).

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

11121332220000 is an equidigital number, since it uses as much as digits as its factorization.

11121332220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61785215 (or 61785189 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11121332220000 its reverse (2223312111), we get a palindrome (11123555532111).

The spelling of 11121332220000 in words is "eleven trillion, one hundred twenty-one billion, three hundred thirty-two million, two hundred twenty thousand".