42204022043101 has 4 divisors (see below), whose sum is σ = 42204513851100. Its totient is φ = 42203530235104.

The previous prime is 42204022042961. The next prime is 42204022043137. The reversal of 42204022043101 is 10134022040224.

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 9152446140601 + 33051575902500 = 3025301^2 + 5749050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42204022043101 is a prime.

It is a super-2 number, since 2×42204022043101² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42204022043401) 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, 245775256 + ... + 245946913.

It is an arithmetic number, because the mean of its divisors is an integer number (10551128462775).

Almost surely, 2^{42204022043101} is an apocalyptic number.

It is an amenable number.

42204022043101 is a deficient number, since it is larger than the sum of its proper divisors (491807999).

42204022043101 is an equidigital number, since it uses as much as digits as its factorization.

42204022043101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491807998.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 42204022043101 its reverse (10134022040224), we get a palindrome (52338044083325).

The spelling of 42204022043101 in words is "forty-two trillion, two hundred four billion, twenty-two million, forty-three thousand, one hundred one".