1111213312320 has 448 divisors, whose sum is σ = 3861976154112. Its totient is φ = 269488128000.

The previous prime is 1111213312277. The next prime is 1111213312361. The reversal of 1111213312320 is 232133121111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 460891915 + ... + 460894325.

Almost surely, 2^{1111213312320} is an apocalyptic number.

1111213312320 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 1111213312320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1930988077056).

1111213312320 is an abundant number, since it is smaller than the sum of its proper divisors (2750762841792).

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

1111213312320 is a wasteful number, since it uses less digits than its factorization.

1111213312320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390 (or 3380 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1111213312320 its reverse (232133121111), we get a palindrome (1343346433431).

The spelling of 1111213312320 in words is "one trillion, one hundred eleven billion, two hundred thirteen million, three hundred twelve thousand, three hundred twenty".