1131031122601 has 2 divisors, whose sum is σ = 1131031122602. Its totient is φ = 1131031122600.

The previous prime is 1131031122569. The next prime is 1131031122607. The reversal of 1131031122601 is 1062211301311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1088026317225 + 43004805376 = 1043085^2 + 207376^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131031122601 - 2⁵ = 1131031122569 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131031122607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565515561300 + 565515561301.

It is an arithmetic number, because the mean of its divisors is an integer number (565515561301).

Almost surely, 2^{1131031122601} is an apocalyptic number.

It is an amenable number.

1131031122601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131031122601 is an equidigital number, since it uses as much as digits as its factorization.

1131031122601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 1131031122601 its reverse (1062211301311), we get a palindrome (2193242423912).

The spelling of 1131031122601 in words is "one trillion, one hundred thirty-one billion, thirty-one million, one hundred twenty-two thousand, six hundred one".