21314312221110 has 64 divisors (see below), whose sum is σ = 54166840763904. Its totient is φ = 5349137446400.

The previous prime is 21314312221099. The next prime is 21314312221117. The reversal of 21314312221110 is 1112221341312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21314312221117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6836815 + ... + 9453605.

It is an arithmetic number, because the mean of its divisors is an integer number (846356886936).

Almost surely, 2^{21314312221110} is an apocalyptic number.

21314312221110 is an abundant number, since it is smaller than the sum of its proper divisors (32852528542794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21314312221110 is a wasteful number, since it uses less digits than its factorization.

21314312221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632789.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 21314312221110 its reverse (1112221341312), we get a palindrome (22426533562422).

The spelling of 21314312221110 in words is "twenty-one trillion, three hundred fourteen billion, three hundred twelve million, two hundred twenty-one thousand, one hundred ten".