1321011112300 has 36 divisors (see below), whose sum is σ = 3127193581176. Its totient is φ = 480367676800.

The previous prime is 1321011112283. The next prime is 1321011112339. The reversal of 1321011112300 is 32111101231.

It is a happy number.

It is a super-2 number, since 2×1321011112300² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 600458497 + ... + 600460696.

It is an arithmetic number, because the mean of its divisors is an integer number (86866488366).

Almost surely, 2^{1321011112300} is an apocalyptic number.

1321011112300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1321011112300 is an abundant number, since it is smaller than the sum of its proper divisors (1806182468876).

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

1321011112300 is a wasteful number, since it uses less digits than its factorization.

1321011112300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200919218 (or 1200919211 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1321011112300 its reverse (32111101231), we get a palindrome (1353122213531).

The spelling of 1321011112300 in words is "one trillion, three hundred twenty-one billion, eleven million, one hundred twelve thousand, three hundred".