1111112212000 has 192 divisors, whose sum is σ = 3121701762816. Its totient is φ = 380745369600.

The previous prime is 1111112211991. The next prime is 1111112212031. The reversal of 1111112212000 is 2122111111.

It is a happy number.

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, 56746212 + ... + 56765788.

It is an arithmetic number, because the mean of its divisors is an integer number (16258863348).

Almost surely, 2^{1111112212000} is an apocalyptic number.

1111112212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111112212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1560850881408).

1111112212000 is an abundant number, since it is smaller than the sum of its proper divisors (2010589550816).

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

1111112212000 is a wasteful number, since it uses less digits than its factorization.

1111112212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21636 (or 21618 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1111112212000 its reverse (2122111111), we get a palindrome (1113234323111).

The spelling of 1111112212000 in words is "one trillion, one hundred eleven billion, one hundred twelve million, two hundred twelve thousand".