21222052414013 has 8 divisors (see below), whose sum is σ = 23170606631616. Its totient is φ = 19276710984000.

The previous prime is 21222052413997. The next prime is 21222052414027. The reversal of 21222052414013 is 31041425022212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21222052414013 - 2⁴ = 21222052413997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21222052414063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803183081 + ... + 803209502.

It is an arithmetic number, because the mean of its divisors is an integer number (2896325828952).

Almost surely, 2^{21222052414013} is an apocalyptic number.

It is an amenable number.

21222052414013 is a deficient number, since it is larger than the sum of its proper divisors (1948554217603).

21222052414013 is a wasteful number, since it uses less digits than its factorization.

21222052414013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606393795.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 21222052414013 its reverse (31041425022212), we get a palindrome (52263477436225).

The spelling of 21222052414013 in words is "twenty-one trillion, two hundred twenty-two billion, fifty-two million, four hundred fourteen thousand, thirteen".