1117221400000 has 336 divisors, whose sum is σ = 2874080047104. Its totient is φ = 430416000000.

The previous prime is 1117221399997. The next prime is 1117221400007. The reversal of 1117221400000 is 41227111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117221400007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2275399755 + ... + 2275400245.

It is an arithmetic number, because the mean of its divisors is an integer number (8553809664).

Almost surely, 2^{1117221400000} is an apocalyptic number.

1117221400000 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 1117221400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1437040023552).

1117221400000 is an abundant number, since it is smaller than the sum of its proper divisors (1756858647104).

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

1117221400000 is an frugal number, since it uses more digits than its factorization.

1117221400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926 (or 896 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 1117221400000 its reverse (41227111), we get a palindrome (1117262627111).

The spelling of 1117221400000 in words is "one trillion, one hundred seventeen billion, two hundred twenty-one million, four hundred thousand".