100122200244 has 144 divisors (see below), whose sum is σ = 290474323776. Its totient is φ = 28799884800.

The previous prime is 100122200237. The next prime is 100122200257. The reversal of 100122200244 is 442002221001.

100122200244 is a `hidden beast` number, since 100 + 122 + 200 + 244 = 666.

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 47 ways as a sum of consecutive naturals, for example, 517399 + ... + 684065.

It is an arithmetic number, because the mean of its divisors is an integer number (2017182804).

Almost surely, 2^100122200244 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 100122200244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145237161888).

100122200244 is an abundant number, since it is smaller than the sum of its proper divisors (190352123532).

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

100122200244 is a wasteful number, since it uses less digits than its factorization.

100122200244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166766 (or 166761 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 100122200244 its reverse (442002221001), we get a palindrome (542124421245).

The spelling of 100122200244 in words is "one hundred billion, one hundred twenty-two million, two hundred thousand, two hundred forty-four".