1131022033221 has 8 divisors (see below), whose sum is σ = 1513358104480. Its totient is φ = 751350325392.

The previous prime is 1131022033181. The next prime is 1131022033241. The reversal of 1131022033221 is 1223302201311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1131022033221 - 2¹⁹ = 1131021508933 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 (1131022033241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666089866 + ... + 666091563.

It is an arithmetic number, because the mean of its divisors is an integer number (189169763060).

Almost surely, 2^{1131022033221} is an apocalyptic number.

It is an amenable number.

1131022033221 is a deficient number, since it is larger than the sum of its proper divisors (382336071259).

1131022033221 is a wasteful number, since it uses less digits than its factorization.

1131022033221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332181715.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1131022033221 its reverse (1223302201311), we get a palindrome (2354324234532).

The spelling of 1131022033221 in words is "one trillion, one hundred thirty-one billion, twenty-two million, thirty-three thousand, two hundred twenty-one".