238361822101 has 16 divisors (see below), whose sum is σ = 271815902064. Its totient is φ = 207069318144.

The previous prime is 238361822093. The next prime is 238361822129. The reversal of 238361822101 is 101228163832.

It can be written as a sum of positive squares in 8 ways, for example, as 83697383025 + 154664439076 = 289305^2 + 393274^2 .

It is not a de Polignac number, because 238361822101 - 2³ = 238361822093 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 (238361822131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4351455 + ... + 4405891.

It is an arithmetic number, because the mean of its divisors is an integer number (16988493879).

Almost surely, 2^238361822101 is an apocalyptic number.

It is an amenable number.

238361822101 is a deficient number, since it is larger than the sum of its proper divisors (33454079963).

238361822101 is a wasteful number, since it uses less digits than its factorization.

238361822101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74280.

The product of its (nonzero) digits is 27648, while the sum is 37.

Adding to 238361822101 its reverse (101228163832), we get a palindrome (339589985933).

The spelling of 238361822101 in words is "two hundred thirty-eight billion, three hundred sixty-one million, eight hundred twenty-two thousand, one hundred one".