221330120203 has 2 divisors, whose sum is σ = 221330120204. Its totient is φ = 221330120202.

The previous prime is 221330120201. The next prime is 221330120213. The reversal of 221330120203 is 302021033122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221330120203 - 2¹ = 221330120201 is a prime.

It is a super-2 number, since 2×221330120203² (a number of 23 digits) contains 22 as substring.

Together with 221330120201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (221330120201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110665060101 + 110665060102.

It is an arithmetic number, because the mean of its divisors is an integer number (110665060102).

Almost surely, 2^221330120203 is an apocalyptic number.

221330120203 is a deficient number, since it is larger than the sum of its proper divisors (1).

221330120203 is an equidigital number, since it uses as much as digits as its factorization.

221330120203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 221330120203 its reverse (302021033122), we get a palindrome (523351153325).

The spelling of 221330120203 in words is "two hundred twenty-one billion, three hundred thirty million, one hundred twenty thousand, two hundred three".