21341201322 has 16 divisors (see below), whose sum is σ = 48779888832. Its totient is φ = 6097486080.

The previous prime is 21341201317. The next prime is 21341201347. The reversal of 21341201322 is 22310214312.

It is a super-2 number, since 2×21341201322² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254061879 + ... + 254061962.

It is an arithmetic number, because the mean of its divisors is an integer number (3048743052).

Almost surely, 2^21341201322 is an apocalyptic number.

21341201322 is an abundant number, since it is smaller than the sum of its proper divisors (27438687510).

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

21341201322 is a wasteful number, since it uses less digits than its factorization.

21341201322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508123853.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21341201322 its reverse (22310214312), we get a palindrome (43651415634).

The spelling of 21341201322 in words is "twenty-one billion, three hundred forty-one million, two hundred one thousand, three hundred twenty-two".