402141413221 has 4 divisors (see below), whose sum is σ = 402420873600. Its totient is φ = 401861952844.

The previous prime is 402141413213. The next prime is 402141413237. The reversal of 402141413221 is 122314141204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 402141413221 - 2³ = 402141413213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402141413281) 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, 139728031 + ... + 139730908.

It is an arithmetic number, because the mean of its divisors is an integer number (100605218400).

Almost surely, 2^402141413221 is an apocalyptic number.

It is an amenable number.

402141413221 is a deficient number, since it is larger than the sum of its proper divisors (279460379).

402141413221 is a wasteful number, since it uses less digits than its factorization.

402141413221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279460378.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 402141413221 its reverse (122314141204), we get a palindrome (524455554425).

The spelling of 402141413221 in words is "four hundred two billion, one hundred forty-one million, four hundred thirteen thousand, two hundred twenty-one".