222001120010 has 16 divisors (see below), whose sum is σ = 399653776872. Its totient is φ = 88788945600.

The previous prime is 222001119997. The next prime is 222001120031. The reversal of 222001120010 is 10021100222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 189109307689 + 32891812321 = 434867^2 + 181361^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222001119973 and 222001120000.

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, 1356521 + ... + 1511340.

Almost surely, 2^222001120010 is an apocalyptic number.

222001120010 is a deficient number, since it is larger than the sum of its proper divisors (177652656862).

222001120010 is a wasteful number, since it uses less digits than its factorization.

222001120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875609.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 222001120010 its reverse (10021100222), we get a palindrome (232022220232).

The spelling of 222001120010 in words is "two hundred twenty-two billion, one million, one hundred twenty thousand, ten".