222211020011 has 4 divisors (see below), whose sum is σ = 222211964352. Its totient is φ = 222210075672.

The previous prime is 222211019981. The next prime is 222211020049. The reversal of 222211020011 is 110020112222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222211020011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222211020061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195461 + ... + 694713.

It is an arithmetic number, because the mean of its divisors is an integer number (55552991088).

Almost surely, 2^222211020011 is an apocalyptic number.

222211020011 is a deficient number, since it is larger than the sum of its proper divisors (944341).

222211020011 is an equidigital number, since it uses as much as digits as its factorization.

222211020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944340.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222211020011 its reverse (110020112222), we get a palindrome (332231132233).

The spelling of 222211020011 in words is "two hundred twenty-two billion, two hundred eleven million, twenty thousand, eleven".