222021111022 has 16 divisors (see below), whose sum is σ = 343484960832. Its totient is φ = 107572895200.

The previous prime is 222021110981. The next prime is 222021111023. The reversal of 222021111022 is 220111120222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222021110987 and 222021111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222021111023) 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 7 ways as a sum of consecutive naturals, for example, 11683213 + ... + 11702200.

It is an arithmetic number, because the mean of its divisors is an integer number (21467810052).

Almost surely, 2^222021111022 is an apocalyptic number.

222021111022 is a deficient number, since it is larger than the sum of its proper divisors (121463849810).

222021111022 is a wasteful number, since it uses less digits than its factorization.

222021111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23385563.

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

Adding to 222021111022 its reverse (220111120222), we get a palindrome (442132231244).

The spelling of 222021111022 in words is "two hundred twenty-two billion, twenty-one million, one hundred eleven thousand, twenty-two".