221022201121222 has 16 divisors (see below), whose sum is σ = 345948834049632. Its totient is φ = 105705952021120.

The previous prime is 221022201121193. The next prime is 221022201121223. The reversal of 221022201121222 is 222121102220122.

It is a junction number, because it is equal to n+sod(n) for n = 221022201121193 and 221022201121202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221022201121223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8596572 + ... + 22714432.

It is an arithmetic number, because the mean of its divisors is an integer number (21621802128102).

Almost surely, 2^{221022201121222} is an apocalyptic number.

221022201121222 is a deficient number, since it is larger than the sum of its proper divisors (124926632928410).

221022201121222 is a wasteful number, since it uses less digits than its factorization.

221022201121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14458223.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 221022201121222 its reverse (222121102220122), we get a palindrome (443143303341344).

The spelling of 221022201121222 in words is "two hundred twenty-one trillion, twenty-two billion, two hundred one million, one hundred twenty-one thousand, two hundred twenty-two".