1323102221100 has 162 divisors, whose sum is σ = 4558482392100. Its totient is φ = 320752027200.

The previous prime is 1323102221071. The next prime is 1323102221101. The reversal of 1323102221100 is 11222013231.

1323102221100 is a `hidden beast` number, since 1 + 32 + 310 + 2 + 221 + 100 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1323102221101) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 5965950 + ... + 6183749.

Almost surely, 2^{1323102221100} is an apocalyptic number.

1323102221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323102221100 is an abundant number, since it is smaller than the sum of its proper divisors (3235380171000).

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

1323102221100 is a wasteful number, since it uses less digits than its factorization.

1323102221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12149741 (or 12149720 counting only the distinct ones).

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

Adding to 1323102221100 its reverse (11222013231), we get a palindrome (1334324234331).

The spelling of 1323102221100 in words is "one trillion, three hundred twenty-three billion, one hundred two million, two hundred twenty-one thousand, one hundred".