201044341421 has 16 divisors (see below), whose sum is σ = 250674946560. Its totient is φ = 156644015280.

The previous prime is 201044341409. The next prime is 201044341439. The reversal of 201044341421 is 124143440102.

It is a cyclic number.

It is not a de Polignac number, because 201044341421 - 2³⁰ = 199970599597 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 (201044341721) 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, 803750 + ... + 1023768.

It is an arithmetic number, because the mean of its divisors is an integer number (15667184160).

Almost surely, 2^201044341421 is an apocalyptic number.

It is an amenable number.

201044341421 is a deficient number, since it is larger than the sum of its proper divisors (49630605139).

201044341421 is a wasteful number, since it uses less digits than its factorization.

201044341421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231904.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 201044341421 its reverse (124143440102), we get a palindrome (325187781523).

The spelling of 201044341421 in words is "two hundred one billion, forty-four million, three hundred forty-one thousand, four hundred twenty-one".