1132231233221 has 16 divisors (see below), whose sum is σ = 1258526548800. Its totient is φ = 1009831979520.

The previous prime is 1132231233191. The next prime is 1132231233271. The reversal of 1132231233221 is 1223321322311.

It is a cyclic number.

It is not a de Polignac number, because 1132231233221 - 2¹⁸ = 1132230971077 is a prime.

It is a super-2 number, since 2×1132231233221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132231233271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18420686 + ... + 18482048.

It is an arithmetic number, because the mean of its divisors is an integer number (78657909300).

Almost surely, 2^{1132231233221} is an apocalyptic number.

1132231233221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1132231233221 is a deficient number, since it is larger than the sum of its proper divisors (126295315579).

1132231233221 is a wasteful number, since it uses less digits than its factorization.

1132231233221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93076.

The product of its digits is 2592, while the sum is 26.

Adding to 1132231233221 its reverse (1223321322311), we get a palindrome (2355552555532).

The spelling of 1132231233221 in words is "one trillion, one hundred thirty-two billion, two hundred thirty-one million, two hundred thirty-three thousand, two hundred twenty-one".