1321122223300 has 36 divisors (see below), whose sum is σ = 3127456611216. Its totient is φ = 480408080800.

The previous prime is 1321122223283. The next prime is 1321122223321. The reversal of 1321122223300 is 33222211231.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 600509002 + ... + 600511201.

It is an arithmetic number, because the mean of its divisors is an integer number (86873794756).

Almost surely, 2^{1321122223300} is an apocalyptic number.

1321122223300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1321122223300 is an abundant number, since it is smaller than the sum of its proper divisors (1806334387916).

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

1321122223300 is a wasteful number, since it uses less digits than its factorization.

1321122223300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201020228 (or 1201020221 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1321122223300 its reverse (33222211231), we get a palindrome (1354344434531).

The spelling of 1321122223300 in words is "one trillion, three hundred twenty-one billion, one hundred twenty-two million, two hundred twenty-three thousand, three hundred".