221441020040203 has 4 divisors (see below), whose sum is σ = 227425912473760. Its totient is φ = 215456127606648.

The previous prime is 221441020040197. The next prime is 221441020040221. The reversal of 221441020040203 is 302040020144122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 221441020040203 - 2⁹ = 221441020039691 is a prime.

It is a super-2 number, since 2×221441020040203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221441020040503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2992446216723 + ... + 2992446216796.

It is an arithmetic number, because the mean of its divisors is an integer number (56856478118440).

Almost surely, 2^{221441020040203} is an apocalyptic number.

221441020040203 is a deficient number, since it is larger than the sum of its proper divisors (5984892433557).

221441020040203 is an equidigital number, since it uses as much as digits as its factorization.

221441020040203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5984892433556.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 221441020040203 its reverse (302040020144122), we get a palindrome (523481040184325).

The spelling of 221441020040203 in words is "two hundred twenty-one trillion, four hundred forty-one billion, twenty million, forty thousand, two hundred three".