221442131401203 has 16 divisors (see below), whose sum is σ = 302046659092640. Its totient is φ = 144269952125184.

The previous prime is 221442131401189. The next prime is 221442131401217. The reversal of 221442131401203 is 302104131244122.

It is a happy number.

221442131401203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (221442131401189) and next prime (221442131401217).

It is not a de Polignac number, because 221442131401203 - 2²⁰ = 221442130352627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221442131401103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4638284776 + ... + 4638332517.

It is an arithmetic number, because the mean of its divisors is an integer number (18877916193290).

Almost surely, 2^{221442131401203} is an apocalyptic number.

221442131401203 is a deficient number, since it is larger than the sum of its proper divisors (80604527691437).

221442131401203 is a wasteful number, since it uses less digits than its factorization.

221442131401203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9276617478.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 221442131401203 its reverse (302104131244122), we get a palindrome (523546262645325).

The spelling of 221442131401203 in words is "two hundred twenty-one trillion, four hundred forty-two billion, one hundred thirty-one million, four hundred one thousand, two hundred three".