3432240401221 has 2 divisors, whose sum is σ = 3432240401222. Its totient is φ = 3432240401220.

The previous prime is 3432240401203. The next prime is 3432240401231. The reversal of 3432240401221 is 1221040422343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2015221572225 + 1417018828996 = 1419585^2 + 1190386^2 .

It is a cyclic number.

It is not a de Polignac number, because 3432240401221 - 2⁵ = 3432240401189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3432240401221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3432240401231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1716120200610 + 1716120200611.

It is an arithmetic number, because the mean of its divisors is an integer number (1716120200611).

Almost surely, 2^{3432240401221} is an apocalyptic number.

It is an amenable number.

3432240401221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3432240401221 is an equidigital number, since it uses as much as digits as its factorization.

3432240401221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 3432240401221 its reverse (1221040422343), we get a palindrome (4653280823564).

The spelling of 3432240401221 in words is "three trillion, four hundred thirty-two billion, two hundred forty million, four hundred one thousand, two hundred twenty-one".