1133001221001 has 16 divisors (see below), whose sum is σ = 1626936017280. Its totient is φ = 697204748160.

The previous prime is 1133001220993. The next prime is 1133001221017. The reversal of 1133001221001 is 1001221003311.

It is a happy number.

It is not a de Polignac number, because 1133001221001 - 2³ = 1133001220993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1133001221041) 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 in 15 ways as a sum of consecutive naturals, for example, 496140 + ... + 1584978.

It is an arithmetic number, because the mean of its divisors is an integer number (101683501080).

Almost surely, 2^{1133001221001} is an apocalyptic number.

It is an amenable number.

1133001221001 is a deficient number, since it is larger than the sum of its proper divisors (493934796279).

1133001221001 is a wasteful number, since it uses less digits than its factorization.

1133001221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115536.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1133001221001 its reverse (1001221003311), we get a palindrome (2134222224312).

The spelling of 1133001221001 in words is "one trillion, one hundred thirty-three billion, one million, two hundred twenty-one thousand, one".