1130421044221 has 12 divisors (see below), whose sum is σ = 1347052257180. Its totient is φ = 945299826240.

The previous prime is 1130421044209. The next prime is 1130421044237. The reversal of 1130421044221 is 1224401240311.

It can be written as a sum of positive squares in 2 ways, for example, as 660765765625 + 469655278596 = 812875^2 + 685314^2 .

It is not a de Polignac number, because 1130421044221 - 2³¹ = 1128273560573 is a prime.

It is a super-3 number, since 3×1130421044221³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130421044281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281337226 + ... + 281341243.

It is an arithmetic number, because the mean of its divisors is an integer number (112254354765).

Almost surely, 2^{1130421044221} is an apocalyptic number.

It is an amenable number.

1130421044221 is a deficient number, since it is larger than the sum of its proper divisors (216631212959).

1130421044221 is an equidigital number, since it uses as much as digits as its factorization.

1130421044221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562678524 (or 562678517 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1130421044221 its reverse (1224401240311), we get a palindrome (2354822284532).

The spelling of 1130421044221 in words is "one trillion, one hundred thirty billion, four hundred twenty-one million, forty-four thousand, two hundred twenty-one".