22221121100222 has 8 divisors (see below), whose sum is σ = 36361834527672. Its totient is φ = 10100509591000.

The previous prime is 22221121100219. The next prime is 22221121100333. The reversal of 22221121100222 is 22200112112222.

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 = 22221121100194 and 22221121100203.

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, 505025479529 + ... + 505025479572.

It is an arithmetic number, because the mean of its divisors is an integer number (4545229315959).

Almost surely, 2^{22221121100222} is an apocalyptic number.

22221121100222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22221121100222 is a deficient number, since it is larger than the sum of its proper divisors (14140713427450).

22221121100222 is a wasteful number, since it uses less digits than its factorization.

22221121100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010050959114.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22221121100222 its reverse (22200112112222), we get a palindrome (44421233212444).

The spelling of 22221121100222 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred thousand, two hundred twenty-two".