21210332220014 has 8 divisors (see below), whose sum is σ = 36360569520048. Its totient is φ = 9090142380000.

The previous prime is 21210332220013. The next prime is 21210332220019. The reversal of 21210332220014 is 41002223301212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21210332220013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757511864987 + ... + 757511865014.

It is an arithmetic number, because the mean of its divisors is an integer number (4545071190006).

Almost surely, 2^{21210332220014} is an apocalyptic number.

21210332220014 is a deficient number, since it is larger than the sum of its proper divisors (15150237300034).

21210332220014 is a wasteful number, since it uses less digits than its factorization.

21210332220014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515023730010.

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

Adding to 21210332220014 its reverse (41002223301212), we get a palindrome (62212555521226).

The spelling of 21210332220014 in words is "twenty-one trillion, two hundred ten billion, three hundred thirty-two million, two hundred twenty thousand, fourteen".