221112011201222 has 8 divisors (see below), whose sum is σ = 331728025506096. Its totient is φ = 110536002699192.

The previous prime is 221112011201209. The next prime is 221112011201233. The reversal of 221112011201222 is 222102110211122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 221112011201194 and 221112011201203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10001436893 + ... + 10001459000.

It is an arithmetic number, because the mean of its divisors is an integer number (41466003188262).

Almost surely, 2^{221112011201222} is an apocalyptic number.

221112011201222 is a deficient number, since it is larger than the sum of its proper divisors (110616014304874).

221112011201222 is a wasteful number, since it uses less digits than its factorization.

221112011201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20002901422.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 221112011201222 its reverse (222102110211122), we get a palindrome (443214121412344).

The spelling of 221112011201222 in words is "two hundred twenty-one trillion, one hundred twelve billion, eleven million, two hundred one thousand, two hundred twenty-two".