1111213007131 has 2 divisors, whose sum is σ = 1111213007132. Its totient is φ = 1111213007130.

The previous prime is 1111213007101. The next prime is 1111213007141. The reversal of 1111213007131 is 1317003121111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111213007131 - 2¹⁹ = 1111212482843 is a prime.

It is a super-2 number, since 2×1111213007131² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1111213007101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555606503565 + 555606503566.

It is an arithmetic number, because the mean of its divisors is an integer number (555606503566).

Almost surely, 2^{1111213007131} is an apocalyptic number.

1111213007131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111213007131 is an equidigital number, since it uses as much as digits as its factorization.

1111213007131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 22.

Adding to 1111213007131 its reverse (1317003121111), we get a palindrome (2428216128242).

The spelling of 1111213007131 in words is "one trillion, one hundred eleven billion, two hundred thirteen million, seven thousand, one hundred thirty-one".