11131102201 has 2 divisors, whose sum is σ = 11131102202. Its totient is φ = 11131102200.

The previous prime is 11131102193. The next prime is 11131102211. The reversal of 11131102201 is 10220113111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6883191225 + 4247910976 = 82965^2 + 65176^2 .

It is a cyclic number.

It is not a de Polignac number, because 11131102201 - 2³ = 11131102193 is a prime.

It is not a weakly prime, because it can be changed into another prime (11131102211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565551100 + 5565551101.

It is an arithmetic number, because the mean of its divisors is an integer number (5565551101).

Almost surely, 2^11131102201 is an apocalyptic number.

It is an amenable number.

11131102201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131102201 is an equidigital number, since it uses as much as digits as its factorization.

11131102201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11131102201 its reverse (10220113111), we get a palindrome (21351215312).

The spelling of 11131102201 in words is "eleven billion, one hundred thirty-one million, one hundred two thousand, two hundred one".