1112220002120 has 64 divisors (see below), whose sum is σ = 2537981478000. Its totient is φ = 438585090048.

The previous prime is 1112220002099. The next prime is 1112220002141. The reversal of 1112220002120 is 212000222111.

It is an interprime number because it is at equal distance from previous prime (1112220002099) and next prime (1112220002141).

It can be written as a sum of positive squares in 8 ways, for example, as 482866552996 + 629353449124 = 694886^2 + 793318^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1112220002095 and 1112220002104.

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, 6127226 + ... + 6306134.

Almost surely, 2^{1112220002120} is an apocalyptic number.

1112220002120 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 1112220002120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1268990739000).

1112220002120 is an abundant number, since it is smaller than the sum of its proper divisors (1425761475880).

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

1112220002120 is a wasteful number, since it uses less digits than its factorization.

1112220002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181122 (or 181118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1112220002120 its reverse (212000222111), we get a palindrome (1324220224231).

The spelling of 1112220002120 in words is "one trillion, one hundred twelve billion, two hundred twenty million, two thousand, one hundred twenty".