100112222010000 has 400 divisors, whose sum is σ = 333299704953600. Its totient is φ = 25866312192000.

The previous prime is 100112222009959. The next prime is 100112222010001. The reversal of 100112222010000 is 10222211001.

It is a tau number, because it is divible by the number of its divisors (400).

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

It is not an unprimeable number, because it can be changed into a prime (100112222010001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 265101316 + ... + 265478684.

It is an arithmetic number, because the mean of its divisors is an integer number (833249262384).

Almost surely, 2^{100112222010000} is an apocalyptic number.

100112222010000 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 100112222010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166649852476800).

100112222010000 is an abundant number, since it is smaller than the sum of its proper divisors (233187482943600).

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

100112222010000 is a wasteful number, since it uses less digits than its factorization.

100112222010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377676 (or 377655 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100112222010000 its reverse (10222211001), we get a palindrome (100122444221001).

The spelling of 100112222010000 in words is "one hundred trillion, one hundred twelve billion, two hundred twenty-two million, ten thousand".