1100023021132 has 24 divisors (see below), whose sum is σ = 2251209906176. Its totient is φ = 460474752528.

The previous prime is 1100023021099. The next prime is 1100023021133. The reversal of 1100023021132 is 2311203200011.

It is a super-2 number, since 2×1100023021132² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1100023021133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456818988 + ... + 456821395.

Almost surely, 2^{1100023021132} is an apocalyptic number.

It is an amenable number.

1100023021132 is an abundant number, since it is smaller than the sum of its proper divisors (1151186885044).

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

1100023021132 is a wasteful number, since it uses less digits than its factorization.

1100023021132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913640437 (or 913640435 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1100023021132 its reverse (2311203200011), we get a palindrome (3411226221143).

The spelling of 1100023021132 in words is "one trillion, one hundred billion, twenty-three million, twenty-one thousand, one hundred thirty-two".