204422101131 has 4 divisors (see below), whose sum is σ = 272562801512. Its totient is φ = 136281400752.

The previous prime is 204422101073. The next prime is 204422101153. The reversal of 204422101131 is 131101224402.

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

It is not a de Polignac number, because 204422101131 - 2²¹ = 204420003979 is a prime.

It is a super-2 number, since 2×204422101131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204422101098 and 204422101107.

It is not an unprimeable number, because it can be changed into a prime (204422201131) 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, 34070350186 + ... + 34070350191.

It is an arithmetic number, because the mean of its divisors is an integer number (68140700378).

Almost surely, 2^204422101131 is an apocalyptic number.

204422101131 is a deficient number, since it is larger than the sum of its proper divisors (68140700381).

204422101131 is an equidigital number, since it uses as much as digits as its factorization.

204422101131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68140700380.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 204422101131 its reverse (131101224402), we get a palindrome (335523325533).

The spelling of 204422101131 in words is "two hundred four billion, four hundred twenty-two million, one hundred one thousand, one hundred thirty-one".