1131102001 has 2 divisors, whose sum is σ = 1131102002. Its totient is φ = 1131102000.

The previous prime is 1131101989. The next prime is 1131102017. The reversal of 1131102001 is 1002011311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 919544976 + 211557025 = 30324^2 + 14545^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131102001 - 2¹³ = 1131093809 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131102031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565551000 + 565551001.

It is an arithmetic number, because the mean of its divisors is an integer number (565551001).

Almost surely, 2^1131102001 is an apocalyptic number.

It is an amenable number.

1131102001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131102001 is an equidigital number, since it uses as much as digits as its factorization.

1131102001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1131102001 is about 33631.8599099128. The cubic root of 1131102001 is about 1041.9189180612.

Adding to 1131102001 its reverse (1002011311), we get a palindrome (2133113312).

The spelling of 1131102001 in words is "one billion, one hundred thirty-one million, one hundred two thousand, one".