1131222030321 has 8 divisors (see below), whose sum is σ = 1516192879104. Its totient is φ = 750199600880.

The previous prime is 1131222030283. The next prime is 1131222030331. The reversal of 1131222030321 is 1230302221311.

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

It is a cyclic number.

It is not a de Polignac number, because 1131222030321 - 2¹⁰ = 1131222029297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131222030331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987104166 + ... + 987105311.

It is an arithmetic number, because the mean of its divisors is an integer number (189524109888).

Almost surely, 2^{1131222030321} is an apocalyptic number.

It is an amenable number.

1131222030321 is a deficient number, since it is larger than the sum of its proper divisors (384970848783).

1131222030321 is a wasteful number, since it uses less digits than its factorization.

1131222030321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974209671.

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

Adding to 1131222030321 its reverse (1230302221311), we get a palindrome (2361524251632).

The spelling of 1131222030321 in words is "one trillion, one hundred thirty-one billion, two hundred twenty-two million, thirty thousand, three hundred twenty-one".