1100132121 has 12 divisors (see below), whose sum is σ = 1612315376. Its totient is φ = 666746520.

The previous prime is 1100132083. The next prime is 1100132147. The reversal of 1100132121 is 1212310011.

It is not a de Polignac number, because 1100132121 - 2⁹ = 1100131609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100132097 and 1100132106.

It is not an unprimeable number, because it can be changed into a prime (1100132191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1514971 + ... + 1515696.

Almost surely, 2^1100132121 is an apocalyptic number.

1100132121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1100132121 is a deficient number, since it is larger than the sum of its proper divisors (512183255).

1100132121 is a wasteful number, since it uses less digits than its factorization.

1100132121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030692 (or 3030681 counting only the distinct ones).

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

The square root of 1100132121 is about 33168.2396427667. The cubic root of 1100132121 is about 1032.3214428567.

Adding to 1100132121 its reverse (1212310011), we get a palindrome (2312442132).

The spelling of 1100132121 in words is "one billion, one hundred million, one hundred thirty-two thousand, one hundred twenty-one".