21222002011102 has 8 divisors (see below), whose sum is σ = 31833105958512. Its totient is φ = 10610966691600.

The previous prime is 21222002011069. The next prime is 21222002011103. The reversal of 21222002011102 is 20111020022212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21222002011103) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16376799 + ... + 17625082.

It is an arithmetic number, because the mean of its divisors is an integer number (3979138244814).

Almost surely, 2^{21222002011102} is an apocalyptic number.

21222002011102 is a deficient number, since it is larger than the sum of its proper divisors (10611103947410).

21222002011102 is a wasteful number, since it uses less digits than its factorization.

21222002011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34313954.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 21222002011102 its reverse (20111020022212), we get a palindrome (41333022033314).

The spelling of 21222002011102 in words is "twenty-one trillion, two hundred twenty-two billion, two million, eleven thousand, one hundred two".