11221100112000 has 256 divisors, whose sum is σ = 38203302833280. Its totient is φ = 2911420108800.

The previous prime is 11221100111981. The next prime is 11221100112029. The reversal of 11221100112000 is 21100112211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1383094 + ... + 4935093.

Almost surely, 2^{11221100112000} is an apocalyptic number.

11221100112000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221100112000 is an abundant number, since it is smaller than the sum of its proper divisors (26982202721280).

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

11221100112000 is an equidigital number, since it uses as much as digits as its factorization.

11221100112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6318256 (or 6318234 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11221100112000 its reverse (21100112211), we get a palindrome (11242200224211).

The spelling of 11221100112000 in words is "eleven trillion, two hundred twenty-one billion, one hundred million, one hundred twelve thousand".