21321312201314 has 32 divisors (see below), whose sum is σ = 32825670677184. Its totient is φ = 10380969668160.

The previous prime is 21321312201289. The next prime is 21321312201377. The reversal of 21321312201314 is 41310221312312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53494952 + ... + 53892044.

It is an arithmetic number, because the mean of its divisors is an integer number (1025802208662).

Almost surely, 2^{21321312201314} is an apocalyptic number.

21321312201314 is a deficient number, since it is larger than the sum of its proper divisors (11504358475870).

21321312201314 is a wasteful number, since it uses less digits than its factorization.

21321312201314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399042.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 21321312201314 its reverse (41310221312312), we get a palindrome (62631533513626).

The spelling of 21321312201314 in words is "twenty-one trillion, three hundred twenty-one billion, three hundred twelve million, two hundred one thousand, three hundred fourteen".