11020140321 has 8 divisors (see below), whose sum is σ = 14708029440. Its totient is φ = 7339505712.

The previous prime is 11020140317. The next prime is 11020140359. The reversal of 11020140321 is 12304102011.

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

It is not a de Polignac number, because 11020140321 - 2² = 11020140317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11020140321.

It is not an unprimeable number, because it can be changed into a prime (11020140721) 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, 1810081 + ... + 1816158.

It is an arithmetic number, because the mean of its divisors is an integer number (1838503680).

Almost surely, 2^11020140321 is an apocalyptic number.

It is an amenable number.

11020140321 is a deficient number, since it is larger than the sum of its proper divisors (3687889119).

11020140321 is a wasteful number, since it uses less digits than its factorization.

11020140321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3627255.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11020140321 its reverse (12304102011), we get a palindrome (23324242332).

The spelling of 11020140321 in words is "eleven billion, twenty million, one hundred forty thousand, three hundred twenty-one".