221222331330110 has 32 divisors (see below), whose sum is σ = 444502544821632. Its totient is φ = 78573682162080.

The previous prime is 221222331330103. The next prime is 221222331330113. The reversal of 221222331330110 is 11033133222122.

It is a super-2 number, since 2×221222331330110² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221222331330110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221222331330113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23385019724 + ... + 23385029183.

It is an arithmetic number, because the mean of its divisors is an integer number (13890704525676).

Almost surely, 2^{221222331330110} is an apocalyptic number.

221222331330110 is an abundant number, since it is smaller than the sum of its proper divisors (223280213491522).

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

221222331330110 is a wasteful number, since it uses less digits than its factorization.

221222331330110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46770048968.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 221222331330110 its reverse (11033133222122), we get a palindrome (232255464552232).

The spelling of 221222331330110 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, three hundred thirty-one million, three hundred thirty thousand, one hundred ten".