21320301212110 has 8 divisors (see below), whose sum is σ = 38376542181816. Its totient is φ = 8528120484840.

The previous prime is 21320301212083. The next prime is 21320301212129. The reversal of 21320301212110 is 1121210302312.

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

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1066015060596 + ... + 1066015060615.

It is an arithmetic number, because the mean of its divisors is an integer number (4797067772727).

Almost surely, 2^{21320301212110} is an apocalyptic number.

21320301212110 is a deficient number, since it is larger than the sum of its proper divisors (17056240969706).

21320301212110 is a wasteful number, since it uses less digits than its factorization.

21320301212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132030121218.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 21320301212110 its reverse (1121210302312), we get a palindrome (22441511514422).

The spelling of 21320301212110 in words is "twenty-one trillion, three hundred twenty billion, three hundred one million, two hundred twelve thousand, one hundred ten".