1100132100021 has 32 divisors (see below), whose sum is σ = 1478775916800. Its totient is φ = 727485785600.

The previous prime is 1100132100017. The next prime is 1100132100059. The reversal of 1100132100021 is 1200012310011.

It is a cyclic number.

It is not a de Polignac number, because 1100132100021 - 2² = 1100132100017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100132100071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203086105 + ... + 203091521.

It is an arithmetic number, because the mean of its divisors is an integer number (46211747400).

Almost surely, 2^{1100132100021} is an apocalyptic number.

It is an amenable number.

1100132100021 is a deficient number, since it is larger than the sum of its proper divisors (378643816779).

1100132100021 is a wasteful number, since it uses less digits than its factorization.

1100132100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6749.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1100132100021 its reverse (1200012310011), we get a palindrome (2300144410032).

The spelling of 1100132100021 in words is "one trillion, one hundred billion, one hundred thirty-two million, one hundred thousand, twenty-one".