1100323203111 has 18 divisors (see below), whose sum is σ = 1746977796200. Its totient is φ = 666862546680.

The previous prime is 1100323203101. The next prime is 1100323203131. The reversal of 1100323203111 is 1113023230011.

1100323203111 is a `hidden beast` number, since 1 + 1 + 0 + 0 + 32 + 320 + 311 + 1 = 666.

It is not a de Polignac number, because 1100323203111 - 2⁵ = 1100323203079 is a prime.

It is a super-2 number, since 2×1100323203111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100323203101) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 505197811 + ... + 505199988.

Almost surely, 2^{1100323203111} is an apocalyptic number.

1100323203111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1100323203111 is a deficient number, since it is larger than the sum of its proper divisors (646654593089).

1100323203111 is a wasteful number, since it uses less digits than its factorization.

1100323203111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010397827 (or 1010397813 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1100323203111 its reverse (1113023230011), we get a palindrome (2213346433122).

The spelling of 1100323203111 in words is "one trillion, one hundred billion, three hundred twenty-three million, two hundred three thousand, one hundred eleven".