201421340322 has 32 divisors (see below), whose sum is σ = 403619086080. Its totient is φ = 67011163920.

The previous prime is 201421340299. The next prime is 201421340327. The reversal of 201421340322 is 223043124102.

It is a happy number.

It is a super-2 number, since 2×201421340322² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201421340292 and 201421340301.

It is not an unprimeable number, because it can be changed into a prime (201421340327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7397329 + ... + 7424507.

It is an arithmetic number, because the mean of its divisors is an integer number (12613096440).

Almost surely, 2^201421340322 is an apocalyptic number.

201421340322 is an abundant number, since it is smaller than the sum of its proper divisors (202197745758).

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

201421340322 is a wasteful number, since it uses less digits than its factorization.

201421340322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29518.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 201421340322 its reverse (223043124102), we get a palindrome (424464464424).

The spelling of 201421340322 in words is "two hundred one billion, four hundred twenty-one million, three hundred forty thousand, three hundred twenty-two".