21322414114221 has 32 divisors (see below), whose sum is σ = 32368468746240. Its totient is φ = 12358682740800.

The previous prime is 21322414114159. The next prime is 21322414114237. The reversal of 21322414114221 is 12241141422312.

It is a happy number.

It is not a de Polignac number, because 21322414114221 - 2⁷ = 21322414114093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21322414114291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1969815 + ... + 6820923.

It is an arithmetic number, because the mean of its divisors is an integer number (1011514648320).

Almost surely, 2^{21322414114221} is an apocalyptic number.

It is an amenable number.

21322414114221 is a deficient number, since it is larger than the sum of its proper divisors (11046054632019).

21322414114221 is a wasteful number, since it uses less digits than its factorization.

21322414114221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4856937.

The product of its digits is 6144, while the sum is 30.

Adding to 21322414114221 its reverse (12241141422312), we get a palindrome (33563555536533).

The spelling of 21322414114221 in words is "twenty-one trillion, three hundred twenty-two billion, four hundred fourteen million, one hundred fourteen thousand, two hundred twenty-one".