221201131233203 has 32 divisors (see below), whose sum is σ = 246704848588800. Its totient is φ = 196632903283200.

The previous prime is 221201131233179. The next prime is 221201131233233. The reversal of 221201131233203 is 302332131102122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221201131233203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221201131233233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1719618893 + ... + 1719747521.

It is an arithmetic number, because the mean of its divisors is an integer number (7709526518400).

Almost surely, 2^{221201131233203} is an apocalyptic number.

221201131233203 is a deficient number, since it is larger than the sum of its proper divisors (25503717355597).

221201131233203 is a wasteful number, since it uses less digits than its factorization.

221201131233203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142763.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 221201131233203 its reverse (302332131102122), we get a palindrome (523533262335325).

The spelling of 221201131233203 in words is "two hundred twenty-one trillion, two hundred one billion, one hundred thirty-one million, two hundred thirty-three thousand, two hundred three".