222112100131 has 4 divisors (see below), whose sum is σ = 222118000200. Its totient is φ = 222106200064.

The previous prime is 222112100107. The next prime is 222112100137. The reversal of 222112100131 is 131001211222.

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 222112100131 - 2¹⁵ = 222112067363 is a prime.

It is a super-2 number, since 2×222112100131² (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 (222112100137) 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, 2893201 + ... + 2968978.

It is an arithmetic number, because the mean of its divisors is an integer number (55529500050).

Almost surely, 2^222112100131 is an apocalyptic number.

222112100131 is a deficient number, since it is larger than the sum of its proper divisors (5900069).

222112100131 is an equidigital number, since it uses as much as digits as its factorization.

222112100131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5900068.

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

Adding to 222112100131 its reverse (131001211222), we get a palindrome (353113311353).

The spelling of 222112100131 in words is "two hundred twenty-two billion, one hundred twelve million, one hundred thousand, one hundred thirty-one".