21322032311222 has 4 divisors (see below), whose sum is σ = 31983048466836. Its totient is φ = 10661016155610.

The previous prime is 21322032311221. The next prime is 21322032311291. The reversal of 21322032311222 is 22211323022312.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 21322032311191 and 21322032311200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21322032311221) 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 as a sum of consecutive naturals, namely, 5330508077804 + ... + 5330508077807.

It is an arithmetic number, because the mean of its divisors is an integer number (7995762116709).

Almost surely, 2^{21322032311222} is an apocalyptic number.

21322032311222 is a deficient number, since it is larger than the sum of its proper divisors (10661016155614).

21322032311222 is a wasteful number, since it uses less digits than its factorization.

21322032311222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10661016155613.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21322032311222 its reverse (22211323022312), we get a palindrome (43533355333534).

The spelling of 21322032311222 in words is "twenty-one trillion, three hundred twenty-two billion, thirty-two million, three hundred eleven thousand, two hundred twenty-two".