1133312231021 has 12 divisors (see below), whose sum is σ = 1248103952352. Its totient is φ = 1026983158344.

The previous prime is 1133312230993. The next prime is 1133312231041. The reversal of 1133312231021 is 1201322133311.

It is not a de Polignac number, because 1133312231021 - 2¹⁴ = 1133312214637 is a prime.

It is a super-2 number, since 2×1133312231021² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133312231041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68238851 + ... + 68255456.

It is an arithmetic number, because the mean of its divisors is an integer number (104008662696).

Almost surely, 2^{1133312231021} is an apocalyptic number.

It is an amenable number.

1133312231021 is a deficient number, since it is larger than the sum of its proper divisors (114791721331).

1133312231021 is a wasteful number, since it uses less digits than its factorization.

1133312231021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136494368 (or 136494349 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1133312231021 its reverse (1201322133311), we get a palindrome (2334634364332).

The spelling of 1133312231021 in words is "one trillion, one hundred thirty-three billion, three hundred twelve million, two hundred thirty-one thousand, twenty-one".