11032201021 has 4 divisors (see below), whose sum is σ = 11612843200. Its totient is φ = 10451558844.

The previous prime is 11032201003. The next prime is 11032201031. The reversal of 11032201021 is 12010223011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12010223011 = 14149 ⋅848839.

It is a cyclic number.

It is not a de Polignac number, because 11032201021 - 2⁵ = 11032200989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11032200992 and 11032201010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11032201001) 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, 290321061 + ... + 290321098.

It is an arithmetic number, because the mean of its divisors is an integer number (2903210800).

Almost surely, 2^11032201021 is an apocalyptic number.

It is an amenable number.

11032201021 is a deficient number, since it is larger than the sum of its proper divisors (580642179).

11032201021 is an equidigital number, since it uses as much as digits as its factorization.

11032201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580642178.

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

Adding to 11032201021 its reverse (12010223011), we get a palindrome (23042424032).

The spelling of 11032201021 in words is "eleven billion, thirty-two million, two hundred one thousand, twenty-one".