22211320011 has 4 divisors (see below), whose sum is σ = 29615093352. Its totient is φ = 14807546672.

The previous prime is 22211319997. The next prime is 22211320037. The reversal of 22211320011 is 11002311222.

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 22211320011 - 2⁶ = 22211319947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22211320051) 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, 3701886666 + ... + 3701886671.

It is an arithmetic number, because the mean of its divisors is an integer number (7403773338).

Almost surely, 2^22211320011 is an apocalyptic number.

22211320011 is a deficient number, since it is larger than the sum of its proper divisors (7403773341).

22211320011 is an equidigital number, since it uses as much as digits as its factorization.

22211320011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7403773340.

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

Adding to 22211320011 its reverse (11002311222), we get a palindrome (33213631233).

The spelling of 22211320011 in words is "twenty-two billion, two hundred eleven million, three hundred twenty thousand, eleven".