42201134401 has 4 divisors (see below), whose sum is σ = 43230430404. Its totient is φ = 41171838400.

The previous prime is 42201134369. The next prime is 42201134431. The reversal of 42201134401 is 10443110224.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11204010801 + 30997123600 = 105849^2 + 176060^2 .

It is a cyclic number.

It is not a de Polignac number, because 42201134401 - 2⁵ = 42201134369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42201134431) 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, 514647940 + ... + 514648021.

It is an arithmetic number, because the mean of its divisors is an integer number (10807607601).

Almost surely, 2^42201134401 is an apocalyptic number.

42201134401 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42201134401 is a deficient number, since it is larger than the sum of its proper divisors (1029296003).

42201134401 is a wasteful number, since it uses less digits than its factorization.

42201134401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029296002.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 42201134401 its reverse (10443110224), we get a palindrome (52644244625).

The spelling of 42201134401 in words is "forty-two billion, two hundred one million, one hundred thirty-four thousand, four hundred one".