2212222100131 has 4 divisors (see below), whose sum is σ = 2212251045264. Its totient is φ = 2212193155000.

The previous prime is 2212222100129. The next prime is 2212222100183. The reversal of 2212222100131 is 1310012222122.

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 2212222100131 - 2¹ = 2212222100129 is a prime.

It is a super-2 number, since 2×2212222100131² (a number of 25 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 = 2212222100099 and 2212222100108.

It is not an unprimeable number, because it can be changed into a prime (2212222100531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14357620 + ... + 14510881.

It is an arithmetic number, because the mean of its divisors is an integer number (553062761316).

Almost surely, 2^{2212222100131} is an apocalyptic number.

2212222100131 is a deficient number, since it is larger than the sum of its proper divisors (28945133).

2212222100131 is an equidigital number, since it uses as much as digits as its factorization.

2212222100131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28945132.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2212222100131 its reverse (1310012222122), we get a palindrome (3522234322253).

The spelling of 2212222100131 in words is "two trillion, two hundred twelve billion, two hundred twenty-two million, one hundred thousand, one hundred thirty-one".