22021222112102 has 48 divisors (see below), whose sum is σ = 33768477241632. Its totient is φ = 10767466702080.

The previous prime is 22021222112053. The next prime is 22021222112119. The reversal of 22021222112102 is 20121122212022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4978795463 + ... + 4978799885.

It is an arithmetic number, because the mean of its divisors is an integer number (703509942534).

Almost surely, 2^{22021222112102} is an apocalyptic number.

22021222112102 is a deficient number, since it is larger than the sum of its proper divisors (11747255129530).

22021222112102 is an equidigital number, since it uses as much as digits as its factorization.

22021222112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5533 (or 5226 counting only the distinct ones).

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

Adding to 22021222112102 its reverse (20121122212022), we get a palindrome (42142344324124).

The spelling of 22021222112102 in words is "twenty-two trillion, twenty-one billion, two hundred twenty-two million, one hundred twelve thousand, one hundred two".