11032111021 has 8 divisors (see below), whose sum is σ = 11095837760. Its totient is φ = 10968452352.

The previous prime is 11032110983. The next prime is 11032111073. The reversal of 11032111021 is 12011123011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11032111021 - 2²⁹ = 10495240109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11032110992 and 11032111010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11032111091) 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, 328090 + ... + 360148.

It is an arithmetic number, because the mean of its divisors is an integer number (1386979720).

Almost surely, 2^11032111021 is an apocalyptic number.

It is an amenable number.

11032111021 is a deficient number, since it is larger than the sum of its proper divisors (63726739).

11032111021 is a wasteful number, since it uses less digits than its factorization.

11032111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34035.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11032111021 its reverse (12011123011), we get a palindrome (23043234032).

The spelling of 11032111021 in words is "eleven billion, thirty-two million, one hundred eleven thousand, twenty-one".