42201377121 has 16 divisors (see below), whose sum is σ = 57687936768. Its totient is φ = 27425654400.

The previous prime is 42201377111. The next prime is 42201377137. The reversal of 42201377121 is 12177310224.

It is not a de Polignac number, because 42201377121 - 2⁵ = 42201377089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42201377111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12055 + ... + 290771.

It is an arithmetic number, because the mean of its divisors is an integer number (3605496048).

Almost surely, 2^42201377121 is an apocalyptic number.

42201377121 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42201377121 is a deficient number, since it is larger than the sum of its proper divisors (15486559647).

42201377121 is a wasteful number, since it uses less digits than its factorization.

42201377121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279992.

The product of its (nonzero) digits is 4704, while the sum is 30.

Adding to 42201377121 its reverse (12177310224), we get a palindrome (54378687345).

The spelling of 42201377121 in words is "forty-two billion, two hundred one million, three hundred seventy-seven thousand, one hundred twenty-one".