20120222102222 has 48 divisors (see below), whose sum is σ = 34772540008752. Its totient is φ = 8657737397760.

The previous prime is 20120222102219. The next prime is 20120222102293. The reversal of 20120222102222 is 22220122202102.

It is a junction number, because it is equal to n+sod(n) for n = 20120222102194 and 20120222102203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7782653 + ... + 10040424.

It is an arithmetic number, because the mean of its divisors is an integer number (724427916849).

Almost surely, 2^{20120222102222} is an apocalyptic number.

20120222102222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20120222102222 is a deficient number, since it is larger than the sum of its proper divisors (14652317906530).

20120222102222 is a wasteful number, since it uses less digits than its factorization.

20120222102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17823233 (or 17823210 counting only the distinct ones).

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

Adding to 20120222102222 its reverse (22220122202102), we get a palindrome (42340344304324).

The spelling of 20120222102222 in words is "twenty trillion, one hundred twenty billion, two hundred twenty-two million, one hundred two thousand, two hundred twenty-two".