201421110320 has 40 divisors (see below), whose sum is σ = 468330399936. Its totient is φ = 80563916288.

The previous prime is 201421110307. The next prime is 201421110323. The reversal of 201421110320 is 23011124102.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×201421110320² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201421110323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1609529 + ... + 1730151.

Almost surely, 2^201421110320 is an apocalyptic number.

201421110320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201421110320 is an abundant number, since it is smaller than the sum of its proper divisors (266909289616).

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

201421110320 is a wasteful number, since it uses less digits than its factorization.

201421110320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141509 (or 141503 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 201421110320 its reverse (23011124102), we get a palindrome (224432234422).

The spelling of 201421110320 in words is "two hundred one billion, four hundred twenty-one million, one hundred ten thousand, three hundred twenty".