222221211133110 has 64 divisors (see below), whose sum is σ = 609610373471232. Its totient is φ = 50785974919296.

The previous prime is 222221211133099. The next prime is 222221211133147. The reversal of 222221211133110 is 11331112122222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76113429 + ... + 78979088.

It is an arithmetic number, because the mean of its divisors is an integer number (9525162085488).

Almost surely, 2^{222221211133110} is an apocalyptic number.

222221211133110 is an abundant number, since it is smaller than the sum of its proper divisors (387389162338122).

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

222221211133110 is a wasteful number, since it uses less digits than its factorization.

222221211133110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155099357.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 222221211133110 its reverse (11331112122222), we get a palindrome (233552323255332).

The spelling of 222221211133110 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred eleven million, one hundred thirty-three thousand, one hundred ten".