1132311120221 has 4 divisors (see below), whose sum is σ = 1132314403200. Its totient is φ = 1132307837244.

The previous prime is 1132311120181. The next prime is 1132311120253. The reversal of 1132311120221 is 1220211132311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1132311120221 is a prime.

It is a super-2 number, since 2×1132311120221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1132311120193 and 1132311120202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132311120821) 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, 1054061 + ... + 1837298.

It is an arithmetic number, because the mean of its divisors is an integer number (283078600800).

Almost surely, 2^{1132311120221} is an apocalyptic number.

It is an amenable number.

1132311120221 is a deficient number, since it is larger than the sum of its proper divisors (3282979).

1132311120221 is an equidigital number, since it uses as much as digits as its factorization.

1132311120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282978.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1132311120221 its reverse (1220211132311), we get a palindrome (2352522252532).

The spelling of 1132311120221 in words is "one trillion, one hundred thirty-two billion, three hundred eleven million, one hundred twenty thousand, two hundred twenty-one".