222221120212010 has 32 divisors (see below), whose sum is σ = 417887992587600. Its totient is φ = 84973593241600.

The previous prime is 222221120212001. The next prime is 222221120212027. The reversal of 222221120212010 is 10212021122222.

222221120212010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 215334111987289 + 6887008224721 = 14674267^2 + 2624311^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3793434695 + ... + 3793493274.

Almost surely, 2^{222221120212010} is an apocalyptic number.

222221120212010 is a deficient number, since it is larger than the sum of its proper divisors (195666872375590).

222221120212010 is a wasteful number, since it uses less digits than its factorization.

222221120212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7586928106.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222221120212010 its reverse (10212021122222), we get a palindrome (232433141334232).

The spelling of 222221120212010 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one hundred twenty million, two hundred twelve thousand, ten".