21322132100222 has 32 divisors (see below), whose sum is σ = 32423165429760. Its totient is φ = 10514857618720.

The previous prime is 21322132100177. The next prime is 21322132100249. The reversal of 21322132100222 is 22200123122312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262033979 + ... + 262115337.

It is an arithmetic number, because the mean of its divisors is an integer number (1013223919680).

Almost surely, 2^{21322132100222} is an apocalyptic number.

21322132100222 is a deficient number, since it is larger than the sum of its proper divisors (11101033329538).

21322132100222 is a wasteful number, since it uses less digits than its factorization.

21322132100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84088.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21322132100222 its reverse (22200123122312), we get a palindrome (43522255222534).

The spelling of 21322132100222 in words is "twenty-one trillion, three hundred twenty-two billion, one hundred thirty-two million, one hundred thousand, two hundred twenty-two".