203414452221 has 8 divisors (see below), whose sum is σ = 287173344384. Its totient is φ = 127632597440.

The previous prime is 203414452217. The next prime is 203414452247. The reversal of 203414452221 is 122254414302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203414452221 - 2² = 203414452217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203414452201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1994259285 + ... + 1994259386.

It is an arithmetic number, because the mean of its divisors is an integer number (35896668048).

Almost surely, 2^203414452221 is an apocalyptic number.

It is an amenable number.

203414452221 is a deficient number, since it is larger than the sum of its proper divisors (83758892163).

203414452221 is a wasteful number, since it uses less digits than its factorization.

203414452221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988518691.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 203414452221 its reverse (122254414302), we get a palindrome (325668866523).

The spelling of 203414452221 in words is "two hundred three billion, four hundred fourteen million, four hundred fifty-two thousand, two hundred twenty-one".