222022021111 has 16 divisors (see below), whose sum is σ = 252231533568. Its totient is φ = 193598697600.

The previous prime is 222022021099. The next prime is 222022021121. The reversal of 222022021111 is 111120220222.

It is a happy number.

It is not a de Polignac number, because 222022021111 - 2⁹ = 222022020599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222022021121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2842401 + ... + 2919466.

It is an arithmetic number, because the mean of its divisors is an integer number (15764470848).

Almost surely, 2^222022021111 is an apocalyptic number.

222022021111 is a deficient number, since it is larger than the sum of its proper divisors (30209512457).

222022021111 is a wasteful number, since it uses less digits than its factorization.

222022021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5762022.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222022021111 its reverse (111120220222), we get a palindrome (333142241333).

It can be divided in two parts, 2220220211 and 11, that added together give a palindrome (2220220222).

The spelling of 222022021111 in words is "two hundred twenty-two billion, twenty-two million, twenty-one thousand, one hundred eleven".