2321220011 has 4 divisors (see below), whose sum is σ = 2532240024. Its totient is φ = 2110200000.

The previous prime is 2321219993. The next prime is 2321220079. The reversal of 2321220011 is 1100221232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2321220011 - 2¹⁴ = 2321203627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321220311) 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, 105509990 + ... + 105510011.

It is an arithmetic number, because the mean of its divisors is an integer number (633060006).

Almost surely, 2^2321220011 is an apocalyptic number.

2321220011 is a deficient number, since it is larger than the sum of its proper divisors (211020013).

2321220011 is a wasteful number, since it uses less digits than its factorization.

2321220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211020012.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2321220011 is about 48179.0412005054. The cubic root of 2321220011 is about 1324.0532001499.

Adding to 2321220011 its reverse (1100221232), we get a palindrome (3421441243).

The spelling of 2321220011 in words is "two billion, three hundred twenty-one million, two hundred twenty thousand, eleven".