1133011021 has 16 divisors (see below), whose sum is σ = 1207664640. Its totient is φ = 1059922800.

The previous prime is 1133010997. The next prime is 1133011079. The reversal of 1133011021 is 1201103311.

It is a cyclic number.

It is not a de Polignac number, because 1133011021 - 2¹¹ = 1133008973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1133010992 and 1133011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133011091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 983796 + ... + 984946.

It is an arithmetic number, because the mean of its divisors is an integer number (75479040).

Almost surely, 2^1133011021 is an apocalyptic number.

It is an amenable number.

1133011021 is a deficient number, since it is larger than the sum of its proper divisors (74653619).

1133011021 is a wasteful number, since it uses less digits than its factorization.

1133011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776.

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

The square root of 1133011021 is about 33660.2290693334. The cubic root of 1133011021 is about 1042.5047556174.

Adding to 1133011021 its reverse (1201103311), we get a palindrome (2334114332).

The spelling of 1133011021 in words is "one billion, one hundred thirty-three million, eleven thousand, twenty-one".