21322102022 has 32 divisors (see below), whose sum is σ = 36129300480. Its totient is φ = 9363768480.

The previous prime is 21322102003. The next prime is 21322102027. The reversal of 21322102022 is 22020122312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21322102027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20879 + ... + 207557.

It is an arithmetic number, because the mean of its divisors is an integer number (1129040640).

Almost surely, 2^21322102022 is an apocalyptic number.

21322102022 is a deficient number, since it is larger than the sum of its proper divisors (14807198458).

21322102022 is a wasteful number, since it uses less digits than its factorization.

21322102022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186908.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 21322102022 its reverse (22020122312), we get a palindrome (43342224334).

The spelling of 21322102022 in words is "twenty-one billion, three hundred twenty-two million, one hundred two thousand, twenty-two".