11123100302131 has 2 divisors, whose sum is σ = 11123100302132. Its totient is φ = 11123100302130.

The previous prime is 11123100302023. The next prime is 11123100302147. The reversal of 11123100302131 is 13120300132111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11123100302131 - 2⁷ = 11123100302003 is a prime.

It is a super-2 number, since 2×11123100302131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11123100302099 and 11123100302108.

It is not a weakly prime, because it can be changed into another prime (11121100302131) 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 as a sum of consecutive naturals, namely, 5561550151065 + 5561550151066.

It is an arithmetic number, because the mean of its divisors is an integer number (5561550151066).

Almost surely, 2^{11123100302131} is an apocalyptic number.

11123100302131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123100302131 is an equidigital number, since it uses as much as digits as its factorization.

11123100302131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 11123100302131 its reverse (13120300132111), we get a palindrome (24243400434242).

The spelling of 11123100302131 in words is "eleven trillion, one hundred twenty-three billion, one hundred million, three hundred two thousand, one hundred thirty-one".