1000004211131 has 2 divisors, whose sum is σ = 1000004211132. Its totient is φ = 1000004211130.

The previous prime is 1000004211127. The next prime is 1000004211139. The reversal of 1000004211131 is 1311124000001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000004211131 - 2² = 1000004211127 is a prime.

It is a super-2 number, since 2×1000004211131² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1000004211139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500002105565 + 500002105566.

It is an arithmetic number, because the mean of its divisors is an integer number (500002105566).

Almost surely, 2^{1000004211131} is an apocalyptic number.

1000004211131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000004211131 is an equidigital number, since it uses as much as digits as its factorization.

1000004211131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1000004211131 its reverse (1311124000001), we get a palindrome (2311128211132).

The spelling of 1000004211131 in words is "one trillion, four million, two hundred eleven thousand, one hundred thirty-one".