1100120010020 has 12 divisors (see below), whose sum is σ = 2310252021084. Its totient is φ = 440048004000.

The previous prime is 1100120009987. The next prime is 1100120010037. The reversal of 1100120010020 is 200100210011.

It can be written as a sum of positive squares in 2 ways, for example, as 457592719936 + 642527290084 = 676456^2 + 801578^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27503000231 + ... + 27503000270.

It is an arithmetic number, because the mean of its divisors is an integer number (192521001757).

Almost surely, 2^{1100120010020} is an apocalyptic number.

1100120010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100120010020 is an abundant number, since it is smaller than the sum of its proper divisors (1210132011064).

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

1100120010020 is a wasteful number, since it uses less digits than its factorization.

1100120010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55006000510 (or 55006000508 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1100120010020 its reverse (200100210011), we get a palindrome (1300220220031).

The spelling of 1100120010020 in words is "one trillion, one hundred billion, one hundred twenty million, ten thousand, twenty".