221112110210022 has 64 divisors (see below), whose sum is σ = 517241442182400. Its totient is φ = 69822159122880.

The previous prime is 221112110209999. The next prime is 221112110210039. The reversal of 221112110210022 is 220012011211122.

221112110210022 is a `hidden beast` number, since 221 + 1 + 1 + 211 + 0 + 210 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 221112110209977 and 221112110210004.

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, 22259818 + ... + 30622274.

It is an arithmetic number, because the mean of its divisors is an integer number (8081897534100).

Almost surely, 2^{221112110210022} is an apocalyptic number.

221112110210022 is an abundant number, since it is smaller than the sum of its proper divisors (296129331972378).

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

221112110210022 is a wasteful number, since it uses less digits than its factorization.

221112110210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8388258 (or 8388252 counting only the distinct ones).

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

Adding to 221112110210022 its reverse (220012011211122), we get a palindrome (441124121421144).

The spelling of 221112110210022 in words is "two hundred twenty-one trillion, one hundred twelve billion, one hundred ten million, two hundred ten thousand, twenty-two".