1130203112220 has 648 divisors, whose sum is σ = 4361497437024. Its totient is φ = 231955716096.

The previous prime is 1130203112177. The next prime is 1130203112237. The reversal of 1130203112220 is 222113020311.

1130203112220 is a `hidden beast` number, since 1 + 130 + 2 + 0 + 311 + 2 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1130203112193 and 1130203112202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 291512922 + ... + 291516798.

Almost surely, 2^{1130203112220} is an apocalyptic number.

1130203112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130203112220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2180748718512).

1130203112220 is an abundant number, since it is smaller than the sum of its proper divisors (3231294324804).

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

1130203112220 is a wasteful number, since it uses less digits than its factorization.

1130203112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3999 (or 3944 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1130203112220 its reverse (222113020311), we get a palindrome (1352316132531).

The spelling of 1130203112220 in words is "one trillion, one hundred thirty billion, two hundred three million, one hundred twelve thousand, two hundred twenty".