221340412203 has 16 divisors (see below), whose sum is σ = 305309260800. Its totient is φ = 142466324000.

The previous prime is 221340412187. The next prime is 221340412213. The reversal of 221340412203 is 302214043122.

It is a happy number.

221340412203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 221340412203 - 2⁴ = 221340412187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221340412213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4040128 + ... + 4094546.

It is an arithmetic number, because the mean of its divisors is an integer number (19081828800).

Almost surely, 2^221340412203 is an apocalyptic number.

221340412203 is a deficient number, since it is larger than the sum of its proper divisors (83968848597).

221340412203 is a wasteful number, since it uses less digits than its factorization.

221340412203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101202.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 221340412203 its reverse (302214043122), we get a palindrome (523554455325).

The spelling of 221340412203 in words is "two hundred twenty-one billion, three hundred forty million, four hundred twelve thousand, two hundred three".