1130111123220 has 36 divisors (see below), whose sum is σ = 3428003740980. Its totient is φ = 301362966144.

The previous prime is 1130111123209. The next prime is 1130111123263. The reversal of 1130111123220 is 223211110311.

1130111123220 is a `hidden beast` number, since 1 + 1 + 301 + 111 + 232 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 863148767364 + 266962355856 = 929058^2 + 516684^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 = 1130111123193 and 1130111123202.

It is a congruent number.

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, 3139197385 + ... + 3139197744.

Almost surely, 2^{1130111123220} is an apocalyptic number.

1130111123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130111123220 is an abundant number, since it is smaller than the sum of its proper divisors (2297892617760).

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

1130111123220 is a wasteful number, since it uses less digits than its factorization.

1130111123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6278395144 (or 6278395139 counting only the distinct ones).

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

Adding to 1130111123220 its reverse (223211110311), we get a palindrome (1353322233531).

The spelling of 1130111123220 in words is "one trillion, one hundred thirty billion, one hundred eleven million, one hundred twenty-three thousand, two hundred twenty".