1111132231000 has 288 divisors, whose sum is σ = 2987736897600. Its totient is φ = 386458512000.

The previous prime is 1111132230991. The next prime is 1111132231037. The reversal of 1111132231000 is 1322311111.

It is a happy number.

It is a super-2 number, since 2×1111132231000² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 64000321 + ... + 64017679.

It is an arithmetic number, because the mean of its divisors is an integer number (10374086450).

Almost surely, 2^{1111132231000} is an apocalyptic number.

1111132231000 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 1111132231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1493868448800).

1111132231000 is an abundant number, since it is smaller than the sum of its proper divisors (1876604666600).

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

1111132231000 is a wasteful number, since it uses less digits than its factorization.

1111132231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17448 (or 17400 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1111132231000 its reverse (1322311111), we get a palindrome (1112454542111).

The spelling of 1111132231000 in words is "one trillion, one hundred eleven billion, one hundred thirty-two million, two hundred thirty-one thousand".