201420100201 has 4 divisors (see below), whose sum is σ = 203302531152. Its totient is φ = 199537669252.

The previous prime is 201420100199. The next prime is 201420100243. The reversal of 201420100201 is 102001024102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201420100201 - 2¹ = 201420100199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201420104201) 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, 941215315 + ... + 941215528.

It is an arithmetic number, because the mean of its divisors is an integer number (50825632788).

Almost surely, 2^201420100201 is an apocalyptic number.

It is an amenable number.

201420100201 is a deficient number, since it is larger than the sum of its proper divisors (1882430951).

201420100201 is a wasteful number, since it uses less digits than its factorization.

201420100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882430950.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201420100201 its reverse (102001024102), we get a palindrome (303421124303).

The spelling of 201420100201 in words is "two hundred one billion, four hundred twenty million, one hundred thousand, two hundred one".