201201421305 has 64 divisors (see below), whose sum is σ = 336606243840. Its totient is φ = 102495154944.

The previous prime is 201201421273. The next prime is 201201421307. The reversal of 201201421305 is 503124102102.

It is not a de Polignac number, because 201201421305 - 2⁵ = 201201421273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201201421307) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38490102 + ... + 38495328.

It is an arithmetic number, because the mean of its divisors is an integer number (5259472560).

Almost surely, 2^201201421305 is an apocalyptic number.

It is an amenable number.

201201421305 is a deficient number, since it is larger than the sum of its proper divisors (135404822535).

201201421305 is a wasteful number, since it uses less digits than its factorization.

201201421305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6198.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 201201421305 its reverse (503124102102), we get a palindrome (704325523407).

The spelling of 201201421305 in words is "two hundred one billion, two hundred one million, four hundred twenty-one thousand, three hundred five".