221213322110022 has 128 divisors (see below), whose sum is σ = 502141609221120. Its totient is φ = 64378488752640.

The previous prime is 221213322109999. The next prime is 221213322110041. The reversal of 221213322110022 is 220011223312122.

It is a junction number, because it is equal to n+sod(n) for n = 221213322109974 and 221213322110001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68424828 + ... + 71584800.

It is an arithmetic number, because the mean of its divisors is an integer number (3922981322040).

Almost surely, 2^{221213322110022} is an apocalyptic number.

221213322110022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 221213322110022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251070804610560).

221213322110022 is an abundant number, since it is smaller than the sum of its proper divisors (280928287111098).

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

221213322110022 is a wasteful number, since it uses less digits than its factorization.

221213322110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160398.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 221213322110022 its reverse (220011223312122), we get a palindrome (441224545422144).

The spelling of 221213322110022 in words is "two hundred twenty-one trillion, two hundred thirteen billion, three hundred twenty-two million, one hundred ten thousand, twenty-two".