1121201133000 has 256 divisors, whose sum is σ = 3786984714240. Its totient is φ = 274541184000.

The previous prime is 1121201132881. The next prime is 1121201133007. The reversal of 1121201133000 is 3311021211.

It is a happy number.

It is a super-3 number, since 3×1121201133000³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1121201133007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7373742 + ... + 7524258.

It is an arithmetic number, because the mean of its divisors is an integer number (14792909040).

Almost surely, 2^{1121201133000} is an apocalyptic number.

1121201133000 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 1121201133000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1893492357120).

1121201133000 is an abundant number, since it is smaller than the sum of its proper divisors (2665783581240).

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

1121201133000 is a wasteful number, since it uses less digits than its factorization.

1121201133000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150745 (or 150731 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1121201133000 its reverse (3311021211), we get a palindrome (1124512154211).

The spelling of 1121201133000 in words is "one trillion, one hundred twenty-one billion, two hundred one million, one hundred thirty-three thousand".