21214036022222 has 16 divisors (see below), whose sum is σ = 31949499036672. Its totient is φ = 10564214968320.

The previous prime is 21214036022149. The next prime is 21214036022261. The reversal of 21214036022222 is 22222063041212.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 566258 + ... + 6538250.

It is an arithmetic number, because the mean of its divisors is an integer number (1996843689792).

Almost surely, 2^{21214036022222} is an apocalyptic number.

21214036022222 is a deficient number, since it is larger than the sum of its proper divisors (10735463014450).

21214036022222 is a wasteful number, since it uses less digits than its factorization.

21214036022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5979163.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 21214036022222 its reverse (22222063041212), we get a palindrome (43436099063434).

The spelling of 21214036022222 in words is "twenty-one trillion, two hundred fourteen billion, thirty-six million, twenty-two thousand, two hundred twenty-two".