201103421 has 16 divisors (see below), whose sum is σ = 224726400. Its totient is φ = 178979328.

The previous prime is 201103411. The next prime is 201103433. The reversal of 201103421 is 124301102.

It is a cyclic number.

It is not a de Polignac number, because 201103421 - 2¹⁴ = 201087037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201103396 and 201103405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201103411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31910 + ... + 37688.

It is an arithmetic number, because the mean of its divisors is an integer number (14045400).

Almost surely, 2^201103421 is an apocalyptic number.

It is an amenable number.

201103421 is a deficient number, since it is larger than the sum of its proper divisors (23622979).

201103421 is a wasteful number, since it uses less digits than its factorization.

201103421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5908.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 201103421 is about 14181.0937871520. The cubic root of 201103421 is about 585.8770500401.

Adding to 201103421 its reverse (124301102), we get a palindrome (325404523).

The spelling of 201103421 in words is "two hundred one million, one hundred three thousand, four hundred twenty-one".