201414004021 has 4 divisors (see below), whose sum is σ = 201532974412. Its totient is φ = 201295033632.

The previous prime is 201414003977. The next prime is 201414004063. The reversal of 201414004021 is 120400414102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 75751552900 + 125662451121 = 275230^2 + 354489^2 .

It is a cyclic number.

It is not a de Polignac number, because 201414004021 - 2³³ = 192824069429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201414004021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201414004091) 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, 59482656 + ... + 59486041.

It is an arithmetic number, because the mean of its divisors is an integer number (50383243603).

Almost surely, 2^201414004021 is an apocalyptic number.

It is an amenable number.

201414004021 is a deficient number, since it is larger than the sum of its proper divisors (118970391).

201414004021 is a wasteful number, since it uses less digits than its factorization.

201414004021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118970390.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 201414004021 its reverse (120400414102), we get a palindrome (321814418123).

The spelling of 201414004021 in words is "two hundred one billion, four hundred fourteen million, four thousand, twenty-one".