1131043760221 has 4 divisors (see below), whose sum is σ = 1190572379200. Its totient is φ = 1071515141244.

The previous prime is 1131043760201. The next prime is 1131043760261. The reversal of 1131043760221 is 1220673401311.

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 not a de Polignac number, because 1131043760221 - 2²¹ = 1131041663069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131043760201) 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, 29764309461 + ... + 29764309498.

It is an arithmetic number, because the mean of its divisors is an integer number (297643094800).

Almost surely, 2^{1131043760221} is an apocalyptic number.

It is an amenable number.

1131043760221 is a deficient number, since it is larger than the sum of its proper divisors (59528618979).

1131043760221 is an equidigital number, since it uses as much as digits as its factorization.

1131043760221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59528618978.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 1131043760221 in words is "one trillion, one hundred thirty-one billion, forty-three million, seven hundred sixty thousand, two hundred twenty-one".