1100112101020 has 48 divisors (see below), whose sum is σ = 2345325083136. Its totient is φ = 433406720000.

The previous prime is 1100112101017. The next prime is 1100112101051. The reversal of 1100112101020 is 201012110011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1100112100988 and 1100112101006.

It is a congruent number.

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, 1039861 + ... + 1811500.

It is an arithmetic number, because the mean of its divisors is an integer number (48860939232).

Almost surely, 2^{1100112101020} is an apocalyptic number.

1100112101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100112101020 is an abundant number, since it is smaller than the sum of its proper divisors (1245212982116).

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

1100112101020 is a wasteful number, since it uses less digits than its factorization.

1100112101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851662 (or 2851660 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1100112101020 its reverse (201012110011), we get a palindrome (1301124211031).

The spelling of 1100112101020 in words is "one trillion, one hundred billion, one hundred twelve million, one hundred one thousand, twenty".