11100122010120 has 512 divisors, whose sum is σ = 41227406438400. Its totient is φ = 2352413184000.

The previous prime is 11100122010083. The next prime is 11100122010137. The reversal of 11100122010120 is 2101022100111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11100122010096 and 11100122010105.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 39723451 + ... + 40001909.

It is an arithmetic number, because the mean of its divisors is an integer number (80522278200).

Almost surely, 2^{11100122010120} is an apocalyptic number.

11100122010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11100122010120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20613703219200).

11100122010120 is an abundant number, since it is smaller than the sum of its proper divisors (30127284428280).

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

11100122010120 is a wasteful number, since it uses less digits than its factorization.

11100122010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278621 (or 278617 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11100122010120 its reverse (2101022100111), we get a palindrome (13201144110231).

The spelling of 11100122010120 in words is "eleven trillion, one hundred billion, one hundred twenty-two million, ten thousand, one hundred twenty".