2204212311131 has 4 divisors (see below), whose sum is σ = 2204217119832. Its totient is φ = 2204207502432.

The previous prime is 2204212311127. The next prime is 2204212311151. The reversal of 2204212311131 is 1311132124022.

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 2204212311131 - 2² = 2204212311127 is a prime.

It is a super-2 number, since 2×2204212311131² (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 = 2204212311097 and 2204212311106.

It is not an unprimeable number, because it can be changed into a prime (2204212311151) 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, 1634645 + ... + 2660918.

It is an arithmetic number, because the mean of its divisors is an integer number (551054279958).

Almost surely, 2^{2204212311131} is an apocalyptic number.

2204212311131 is a deficient number, since it is larger than the sum of its proper divisors (4808701).

2204212311131 is an equidigital number, since it uses as much as digits as its factorization.

2204212311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808700.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 2204212311131 its reverse (1311132124022), we get a palindrome (3515344435153).

The spelling of 2204212311131 in words is "two trillion, two hundred four billion, two hundred twelve million, three hundred eleven thousand, one hundred thirty-one".