11013132021 has 8 divisors (see below), whose sum is σ = 15322618560. Its totient is φ = 7022866752.

The previous prime is 11013131989. The next prime is 11013132043. The reversal of 11013132021 is 12023131011.

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 11013132021 - 2⁵ = 11013131989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013132061) 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, 79805236 + ... + 79805373.

It is an arithmetic number, because the mean of its divisors is an integer number (1915327320).

Almost surely, 2^11013132021 is an apocalyptic number.

It is an amenable number.

11013132021 is a deficient number, since it is larger than the sum of its proper divisors (4309486539).

11013132021 is a wasteful number, since it uses less digits than its factorization.

11013132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159610635.

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

Adding to 11013132021 its reverse (12023131011), we get a palindrome (23036263032).

The spelling of 11013132021 in words is "eleven billion, thirteen million, one hundred thirty-two thousand, twenty-one".