11001000100120 has 64 divisors (see below), whose sum is σ = 24856429356000. Its totient is φ = 4381881477120.

The previous prime is 11001000100091. The next prime is 11001000100121. The reversal of 11001000100120 is 2100100010011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001000100121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312964306 + ... + 312999454.

Almost surely, 2^{11001000100120} is an apocalyptic number.

11001000100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001000100120 is an abundant number, since it is smaller than the sum of its proper divisors (13855429255880).

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

11001000100120 is a wasteful number, since it uses less digits than its factorization.

11001000100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67868 (or 67864 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 11001000100120 its reverse (2100100010011), we get a palindrome (13101100110131).

The spelling of 11001000100120 in words is "eleven trillion, one billion, one hundred thousand, one hundred twenty".