1100200032121 has 4 divisors (see below), whose sum is σ = 1100960365312. Its totient is φ = 1099439698932.

The previous prime is 1100200032103. The next prime is 1100200032143. The reversal of 1100200032121 is 1212300020011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1100200032121 - 2¹⁹ = 1100199507833 is a prime.

It is a super-2 number, since 2×1100200032121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100200032821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380164425 + ... + 380167318.

It is an arithmetic number, because the mean of its divisors is an integer number (275240091328).

Almost surely, 2^{1100200032121} is an apocalyptic number.

It is an amenable number.

1100200032121 is a deficient number, since it is larger than the sum of its proper divisors (760333191).

1100200032121 is an equidigital number, since it uses as much as digits as its factorization.

1100200032121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760333190.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1100200032121 its reverse (1212300020011), we get a palindrome (2312500052132).

The spelling of 1100200032121 in words is "one trillion, one hundred billion, two hundred million, thirty-two thousand, one hundred twenty-one".