21201013313222 has 4 divisors (see below), whose sum is σ = 31801519969836. Its totient is φ = 10600506656610.

The previous prime is 21201013313173. The next prime is 21201013313231. The reversal of 21201013313222 is 22231331010212.

It is a semiprime because it is the product of two 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 as a sum of consecutive naturals, namely, 5300253328304 + ... + 5300253328307.

It is an arithmetic number, because the mean of its divisors is an integer number (7950379992459).

Almost surely, 2^{21201013313222} is an apocalyptic number.

21201013313222 is a deficient number, since it is larger than the sum of its proper divisors (10600506656614).

21201013313222 is a wasteful number, since it uses less digits than its factorization.

21201013313222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10600506656613.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21201013313222 its reverse (22231331010212), we get a palindrome (43432344323434).

The spelling of 21201013313222 in words is "twenty-one trillion, two hundred one billion, thirteen million, three hundred thirteen thousand, two hundred twenty-two".