11032311021 has 8 divisors (see below), whose sum is σ = 14718578784. Its totient is φ = 7350458640.

The previous prime is 11032311001. The next prime is 11032311049. The reversal of 11032311021 is 12011323011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11032311021 - 2⁶ = 11032310957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11032311001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1098010 + ... + 1108011.

It is an arithmetic number, because the mean of its divisors is an integer number (1839822348).

Almost surely, 2^11032311021 is an apocalyptic number.

It is an amenable number.

11032311021 is a deficient number, since it is larger than the sum of its proper divisors (3686267763).

11032311021 is a wasteful number, since it uses less digits than its factorization.

11032311021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207691.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11032311021 its reverse (12011323011), we get a palindrome (23043634032).

The spelling of 11032311021 in words is "eleven billion, thirty-two million, three hundred eleven thousand, twenty-one".