222012110131 has 4 divisors (see below), whose sum is σ = 253728125872. Its totient is φ = 190296094392.

The previous prime is 222012110083. The next prime is 222012110153. The reversal of 222012110131 is 131011210222.

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

It is a cyclic number.

It is not a de Polignac number, because 222012110131 - 2²¹ = 222010012979 is a prime.

It is a super-2 number, since 2×222012110131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222012110161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15858007860 + ... + 15858007873.

It is an arithmetic number, because the mean of its divisors is an integer number (63432031468).

Almost surely, 2^222012110131 is an apocalyptic number.

222012110131 is a deficient number, since it is larger than the sum of its proper divisors (31716015741).

222012110131 is an equidigital number, since it uses as much as digits as its factorization.

222012110131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31716015740.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 222012110131 its reverse (131011210222), we get a palindrome (353023320353).

The spelling of 222012110131 in words is "two hundred twenty-two billion, twelve million, one hundred ten thousand, one hundred thirty-one".