11012120103120 has 80 divisors (see below), whose sum is σ = 34398164572992. Its totient is φ = 2914148823040.

The previous prime is 11012120103067. The next prime is 11012120103121. The reversal of 11012120103120 is 2130102121011.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11012120103120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012120103121) 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, 175097697 + ... + 175160576.

Almost surely, 2^{11012120103120} is an apocalyptic number.

11012120103120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012120103120 is an abundant number, since it is smaller than the sum of its proper divisors (23386044469872).

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

11012120103120 is a wasteful number, since it uses less digits than its factorization.

11012120103120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350258420 (or 350258414 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11012120103120 its reverse (2130102121011), we get a palindrome (13142222224131).

The spelling of 11012120103120 in words is "eleven trillion, twelve billion, one hundred twenty million, one hundred three thousand, one hundred twenty".