1120321232100 has 216 divisors, whose sum is σ = 4111124454528. Its totient is φ = 249827673600.

The previous prime is 1120321232077. The next prime is 1120321232113. The reversal of 1120321232100 is 12321230211.

1120321232100 is a `hidden beast` number, since 1 + 1 + 20 + 321 + 2 + 321 + 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 polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1910344 + ... + 2426943.

Almost surely, 2^{1120321232100} is an apocalyptic number.

1120321232100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120321232100 is an abundant number, since it is smaller than the sum of its proper divisors (2990803222428).

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

1120321232100 is a wasteful number, since it uses less digits than its factorization.

1120321232100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337355 (or 4337345 counting only the distinct ones).

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

Adding to 1120321232100 its reverse (12321230211), we get a palindrome (1132642462311).

The spelling of 1120321232100 in words is "one trillion, one hundred twenty billion, three hundred twenty-one million, two hundred thirty-two thousand, one hundred".