1130204421221 has 16 divisors (see below), whose sum is σ = 1238281732800. Its totient is φ = 1026768277248.

The previous prime is 1130204421179. The next prime is 1130204421223. The reversal of 1130204421221 is 1221244020311.

It is a cyclic number.

It is not a de Polignac number, because 1130204421221 - 2¹⁰ = 1130204420197 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 (1130204421223) 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, 1559726 + ... + 2166368.

It is an arithmetic number, because the mean of its divisors is an integer number (77392608300).

Almost surely, 2^{1130204421221} is an apocalyptic number.

It is an amenable number.

1130204421221 is a deficient number, since it is larger than the sum of its proper divisors (108077311579).

1130204421221 is a wasteful number, since it uses less digits than its factorization.

1130204421221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610468.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1130204421221 its reverse (1221244020311), we get a palindrome (2351448441532).

The spelling of 1130204421221 in words is "one trillion, one hundred thirty billion, two hundred four million, four hundred twenty-one thousand, two hundred twenty-one".