11420122104 has 96 divisors (see below), whose sum is σ = 32329458720. Its totient is φ = 3634971648.

The previous prime is 11420122037. The next prime is 11420122123. The reversal of 11420122104 is 40122102411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1016164 + ... + 1027340.

It is an arithmetic number, because the mean of its divisors is an integer number (336765195).

Almost surely, 2^11420122104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11420122104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16164729360).

11420122104 is an abundant number, since it is smaller than the sum of its proper divisors (20909336616).

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

11420122104 is a wasteful number, since it uses less digits than its factorization.

11420122104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11829 (or 11822 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11420122104 its reverse (40122102411), we get a palindrome (51542224515).

The spelling of 11420122104 in words is "eleven billion, four hundred twenty million, one hundred twenty-two thousand, one hundred four".