201421310324411 has 4 divisors (see below), whose sum is σ = 201536605867272. Its totient is φ = 201306014781552.

The previous prime is 201421310324387. The next prime is 201421310324413. The reversal of 201421310324411 is 114423013124102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201421310324411 - 2¹⁸ = 201421310062267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201421310324413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57647768810 + ... + 57647772303.

It is an arithmetic number, because the mean of its divisors is an integer number (50384151466818).

Almost surely, 2^{201421310324411} is an apocalyptic number.

201421310324411 is a deficient number, since it is larger than the sum of its proper divisors (115295542861).

201421310324411 is a wasteful number, since it uses less digits than its factorization.

201421310324411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115295542860.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 201421310324411 its reverse (114423013124102), we get a palindrome (315844323448513).

The spelling of 201421310324411 in words is "two hundred one trillion, four hundred twenty-one billion, three hundred ten million, three hundred twenty-four thousand, four hundred eleven".