222021122010 has 16 divisors (see below), whose sum is σ = 532850692896. Its totient is φ = 59205632528.

The previous prime is 222021121981. The next prime is 222021122021. The reversal of 222021122010 is 10221120222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3700352004 + ... + 3700352063.

It is an arithmetic number, because the mean of its divisors is an integer number (33303168306).

Almost surely, 2^222021122010 is an apocalyptic number.

222021122010 is an abundant number, since it is smaller than the sum of its proper divisors (310829570886).

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

222021122010 is a wasteful number, since it uses less digits than its factorization.

222021122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7400704077.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222021122010 its reverse (10221120222), we get a palindrome (232242242232).

The spelling of 222021122010 in words is "two hundred twenty-two billion, twenty-one million, one hundred twenty-two thousand, ten".