1123130222220 has 48 divisors (see below), whose sum is σ = 3329750779488. Its totient is φ = 281883663360.

The previous prime is 1123130222197. The next prime is 1123130222243. The reversal of 1123130222220 is 222220313211.

It is an interprime number because it is at equal distance from previous prime (1123130222197) and next prime (1123130222243).

It is a super-2 number, since 2×1123130222220² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550553011 + ... + 550555050.

It is an arithmetic number, because the mean of its divisors is an integer number (69369807906).

Almost surely, 2^{1123130222220} is an apocalyptic number.

1123130222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123130222220 is an abundant number, since it is smaller than the sum of its proper divisors (2206620557268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123130222220 is a wasteful number, since it uses less digits than its factorization.

1123130222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101108090 (or 1101108088 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1123130222220 its reverse (222220313211), we get a palindrome (1345350535431).

Subtracting from 1123130222220 its reverse (222220313211), we obtain a palindrome (900909909009).

The spelling of 1123130222220 in words is "one trillion, one hundred twenty-three billion, one hundred thirty million, two hundred twenty-two thousand, two hundred twenty".