122133011100 has 144 divisors (see below), whose sum is σ = 355244762880. Its totient is φ = 32396672000.

The previous prime is 122133011093. The next prime is 122133011111. The reversal of 122133011100 is 1110331221.

It is a happy number.

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 122133011100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50404489 + ... + 50406911.

It is an arithmetic number, because the mean of its divisors is an integer number (2466977520).

Almost surely, 2^122133011100 is an apocalyptic number.

122133011100 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 122133011100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177622381440).

122133011100 is an abundant number, since it is smaller than the sum of its proper divisors (233111751780).

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

122133011100 is a wasteful number, since it uses less digits than its factorization.

122133011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260 (or 3253 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 122133011100 its reverse (1110331221), we get a palindrome (123243342321).

The spelling of 122133011100 in words is "one hundred twenty-two billion, one hundred thirty-three million, eleven thousand, one hundred".