222111020010 has 512 divisors, whose sum is σ = 646704414720. Its totient is φ = 48254976000.

The previous prime is 222111020009. The next prime is 222111020011. The reversal of 222111020010 is 10020111222.

It is an interprime number because it is at equal distance from previous prime (222111020009) and next prime (222111020011).

It is not an unprimeable number, because it can be changed into a prime (222111020011) 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 255 ways as a sum of consecutive naturals, for example, 2156417619 + ... + 2156417721.

It is an arithmetic number, because the mean of its divisors is an integer number (1263094560).

Almost surely, 2^222111020010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222111020010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323352207360).

222111020010 is an abundant number, since it is smaller than the sum of its proper divisors (424593394710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222111020010 is a wasteful number, since it uses less digits than its factorization.

222111020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 222111020010 its reverse (10020111222), we get a palindrome (232131131232).

The spelling of 222111020010 in words is "two hundred twenty-two billion, one hundred eleven million, twenty thousand, ten".