1131101201 has 8 divisors (see below), whose sum is σ = 1170994944. Its totient is φ = 1091867040.

The previous prime is 1131101177. The next prime is 1131101203. The reversal of 1131101201 is 1021011311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1131101201 - 2¹⁸ = 1130839057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131101203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161405 + ... + 168266.

It is an arithmetic number, because the mean of its divisors is an integer number (146374368).

Almost surely, 2^1131101201 is an apocalyptic number.

It is an amenable number.

1131101201 is a deficient number, since it is larger than the sum of its proper divisors (39893743).

1131101201 is an equidigital number, since it uses as much as digits as its factorization.

1131101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329791.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 1131101201 is about 33631.8480164263. The cubic root of 1131101201 is about 1041.9186724201.

Adding to 1131101201 its reverse (1021011311), we get a palindrome (2152112512).

The spelling of 1131101201 in words is "one billion, one hundred thirty-one million, one hundred one thousand, two hundred one".