201421310324533 has 16 divisors (see below), whose sum is σ = 224836900565760. Its totient is φ = 179255470021056.

The previous prime is 201421310324503. The next prime is 201421310324567. The reversal of 201421310324533 is 335423013124102.

It is not a de Polignac number, because 201421310324533 - 2⁹ = 201421310324021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201421310324503) 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, 2460096718 + ... + 2460178591.

It is an arithmetic number, because the mean of its divisors is an integer number (14052306285360).

Almost surely, 2^{201421310324533} is an apocalyptic number.

It is an amenable number.

201421310324533 is a deficient number, since it is larger than the sum of its proper divisors (23415590241227).

201421310324533 is a wasteful number, since it uses less digits than its factorization.

201421310324533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4920275436.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 201421310324533 its reverse (335423013124102), we get a palindrome (536844323448635).

The spelling of 201421310324533 in words is "two hundred one trillion, four hundred twenty-one billion, three hundred ten million, three hundred twenty-four thousand, five hundred thirty-three".