1123220113130 has 16 divisors (see below), whose sum is σ = 2033482890024. Its totient is φ = 446691003840.

The previous prime is 1123220113111. The next prime is 1123220113157. The reversal of 1123220113130 is 313110223211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1122055051441 + 1165061689 = 1059271^2 + 34133^2 .

It is an unprimeable number.

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, 324628361 + ... + 324631820.

Almost surely, 2^{1123220113130} is an apocalyptic number.

1123220113130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123220113130 is a deficient number, since it is larger than the sum of its proper divisors (910262776894).

1123220113130 is a wasteful number, since it uses less digits than its factorization.

1123220113130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649260361.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1123220113130 its reverse (313110223211), we get a palindrome (1436330336341).

The spelling of 1123220113130 in words is "one trillion, one hundred twenty-three billion, two hundred twenty million, one hundred thirteen thousand, one hundred thirty".