1133001211 has 4 divisors (see below), whose sum is σ = 1146651912. Its totient is φ = 1119350512.

The previous prime is 1133001139. The next prime is 1133001241. The reversal of 1133001211 is 1121003311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1121003311 = 1399 ⋅801289.

It is a cyclic number.

It is not a de Polignac number, because 1133001211 - 2²⁵ = 1099446779 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1133001191 and 1133001200.

It is not an unprimeable number, because it can be changed into a prime (1133001241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6825226 + ... + 6825391.

It is an arithmetic number, because the mean of its divisors is an integer number (286662978).

Almost surely, 2^1133001211 is an apocalyptic number.

1133001211 is a deficient number, since it is larger than the sum of its proper divisors (13650701).

1133001211 is an equidigital number, since it uses as much as digits as its factorization.

1133001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13650700.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1133001211 is about 33660.0833480846. The cubic root of 1133001211 is about 1042.5017468202.

Adding to 1133001211 its reverse (1121003311), we get a palindrome (2254004522).

The spelling of 1133001211 in words is "one billion, one hundred thirty-three million, one thousand, two hundred eleven".