22101020222222 has 8 divisors (see below), whose sum is σ = 33646329293736. Its totient is φ = 10885577124312.

The previous prime is 22101020222221. The next prime is 22101020222269. The reversal of 22101020222222 is 22222202010122.

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 = 22101020222194 and 22101020222203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101020222221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82466493233 + ... + 82466493500.

It is an arithmetic number, because the mean of its divisors is an integer number (4205791161717).

Almost surely, 2^{22101020222222} is an apocalyptic number.

22101020222222 is a deficient number, since it is larger than the sum of its proper divisors (11545309071514).

22101020222222 is a wasteful number, since it uses less digits than its factorization.

22101020222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164932986802.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22101020222222 its reverse (22222202010122), we get a palindrome (44323222232344).

The spelling of 22101020222222 in words is "twenty-two trillion, one hundred one billion, twenty million, two hundred twenty-two thousand, two hundred twenty-two".