221110011210222 has 12 divisors (see below), whose sum is σ = 479071690955520. Its totient is φ = 73703337070068.

The previous prime is 221110011210139. The next prime is 221110011210223. The reversal of 221110011210222 is 222012110011122.

221110011210222 is a `hidden beast` number, since 2 + 211 + 10 + 0 + 11 + 210 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 12283889511679 = 221110011210222 / (2 + 2 + 1 + 1 + 1 + 0 + 0 + 1 + 1 + 2 + 1 + 0 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 221110011210195 and 221110011210204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221110011210223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6141944755822 + ... + 6141944755857.

It is an arithmetic number, because the mean of its divisors is an integer number (39922640912960).

Almost surely, 2^{221110011210222} is an apocalyptic number.

221110011210222 is an abundant number, since it is smaller than the sum of its proper divisors (257961679745298).

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

221110011210222 is a wasteful number, since it uses less digits than its factorization.

221110011210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12283889511687 (or 12283889511684 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 221110011210222 its reverse (222012110011122), we get a palindrome (443122121221344).

The spelling of 221110011210222 in words is "two hundred twenty-one trillion, one hundred ten billion, eleven million, two hundred ten thousand, two hundred twenty-two".