1111220231130 has 24 divisors (see below), whose sum is σ = 2889172601172. Its totient is φ = 296325394944.

The previous prime is 1111220231081. The next prime is 1111220231239. The reversal of 1111220231130 is 311320221111.

1111220231130 is a `hidden beast` number, since 11 + 112 + 202 + 311 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1097572617801 + 13647613329 = 1047651^2 + 116823^2 .

It is a super-2 number, since 2×1111220231130² (a number of 25 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6173445639 + ... + 6173445818.

Almost surely, 2^{1111220231130} is an apocalyptic number.

1111220231130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111220231130 is an abundant number, since it is smaller than the sum of its proper divisors (1777952370042).

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

1111220231130 is a wasteful number, since it uses less digits than its factorization.

1111220231130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12346891470 (or 12346891467 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1111220231130 its reverse (311320221111), we get a palindrome (1422540452241).

The spelling of 1111220231130 in words is "one trillion, one hundred eleven billion, two hundred twenty million, two hundred thirty-one thousand, one hundred thirty".