100211212122000 has 480 divisors, whose sum is σ = 375932477531520. Its totient is φ = 22899104793600.

The previous prime is 100211212121987. The next prime is 100211212122023. The reversal of 100211212122000 is 221212112001.

100211212122000 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1110980902 + ... + 1111071098.

It is an arithmetic number, because the mean of its divisors is an integer number (783192661524).

Almost surely, 2^{100211212122000} is an apocalyptic number.

100211212122000 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 100211212122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187966238765760).

100211212122000 is an abundant number, since it is smaller than the sum of its proper divisors (275721265409520).

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

100211212122000 is a wasteful number, since it uses less digits than its factorization.

100211212122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94016 (or 93993 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100211212122000 its reverse (221212112001), we get a palindrome (100432424234001).

Subtracting from 100211212122000 its reverse (221212112001), we obtain a palindrome (99990000009999).

The spelling of 100211212122000 in words is "one hundred trillion, two hundred eleven billion, two hundred twelve million, one hundred twenty-two thousand".