203203114132221 has 36 divisors (see below), whose sum is σ = 341440168887324. Its totient is φ = 116114826038400.

The previous prime is 203203114132141. The next prime is 203203114132243. The reversal of 203203114132221 is 122231411302302.

203203114132221 is a `hidden beast` number, since 2 + 0 + 3 + 2 + 0 + 311 + 4 + 1 + 322 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 89022904688025 + 114180209444196 = 9435195^2 + 10685514^2 .

It is not a de Polignac number, because 203203114132221 - 2¹¹ = 203203114130173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203203114132721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 39731491 + ... + 44553311.

It is an arithmetic number, because the mean of its divisors is an integer number (9484449135759).

Almost surely, 2^{203203114132221} is an apocalyptic number.

203203114132221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

203203114132221 is a deficient number, since it is larger than the sum of its proper divisors (138237054755103).

203203114132221 is a wasteful number, since it uses less digits than its factorization.

203203114132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4917402 (or 4917392 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 203203114132221 its reverse (122231411302302), we get a palindrome (325434525434523).

The spelling of 203203114132221 in words is "two hundred three trillion, two hundred three billion, one hundred fourteen million, one hundred thirty-two thousand, two hundred twenty-one".