1131220200330 has 48 divisors (see below), whose sum is σ = 3208551843744. Its totient is φ = 274235199840.

The previous prime is 1131220200307. The next prime is 1131220200343. The reversal of 1131220200330 is 330020221311.

1131220200330 is a `hidden beast` number, since 1 + 1 + 312 + 2 + 0 + 20 + 0 + 330 = 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 23 ways as a sum of consecutive naturals, for example, 571322344 + ... + 571324323.

It is an arithmetic number, because the mean of its divisors is an integer number (66844830078).

Almost surely, 2^{1131220200330} is an apocalyptic number.

1131220200330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131220200330 is an abundant number, since it is smaller than the sum of its proper divisors (2077331643414).

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

1131220200330 is a wasteful number, since it uses less digits than its factorization.

1131220200330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142646691 (or 1142646688 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1131220200330 its reverse (330020221311), we get a palindrome (1461240421641).

The spelling of 1131220200330 in words is "one trillion, one hundred thirty-one billion, two hundred twenty million, two hundred thousand, three hundred thirty".