1311132222000 has 480 divisors, whose sum is σ = 4719867909120. Its totient is φ = 338974156800.

The previous prime is 1311132221951. The next prime is 1311132222031. The reversal of 1311132222000 is 2222311131.

1311132222000 is a `hidden beast` number, since 1 + 311 + 132 + 2 + 220 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 195134641 + ... + 195141359.

It is an arithmetic number, because the mean of its divisors is an integer number (9833058144).

Almost surely, 2^{1311132222000} is an apocalyptic number.

1311132222000 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 1311132222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2359933954560).

1311132222000 is an abundant number, since it is smaller than the sum of its proper divisors (3408735687120).

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

1311132222000 is a wasteful number, since it uses less digits than its factorization.

1311132222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7078 (or 7059 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1311132222000 its reverse (2222311131), we get a palindrome (1313354533131).

The spelling of 1311132222000 in words is "one trillion, three hundred eleven billion, one hundred thirty-two million, two hundred twenty-two thousand".