11000002120120 has 64 divisors (see below), whose sum is σ = 26656569404640. Its totient is φ = 4061125056000.

The previous prime is 11000002120111. The next prime is 11000002120153. The reversal of 11000002120120 is 2102120000011.

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 = 11000002120097 and 11000002120106.

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, 4048830 + ... + 6196210.

Almost surely, 2^{11000002120120} is an apocalyptic number.

11000002120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11000002120120 is an abundant number, since it is smaller than the sum of its proper divisors (15656567284520).

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

11000002120120 is a wasteful number, since it uses less digits than its factorization.

11000002120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157256 (or 2157252 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11000002120120 its reverse (2102120000011), we get a palindrome (13102122120131).

The spelling of 11000002120120 in words is "eleven trillion, two million, one hundred twenty thousand, one hundred twenty".