2211231200100 has 288 divisors, whose sum is σ = 6961007217024. Its totient is φ = 538705305600.

The previous prime is 2211231200099. The next prime is 2211231200111. The reversal of 2211231200100 is 10021321122.

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 2211231200100.

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, 340657855 + ... + 340664345.

It is an arithmetic number, because the mean of its divisors is an integer number (24170163948).

Almost surely, 2^{2211231200100} is an apocalyptic number.

2211231200100 is a gapful number since it is divisible by the number (20) 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 2211231200100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3480503608512).

2211231200100 is an abundant number, since it is smaller than the sum of its proper divisors (4749776016924).

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

2211231200100 is a wasteful number, since it uses less digits than its factorization.

2211231200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7407 (or 7400 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2211231200100 its reverse (10021321122), we get a palindrome (2221252521222).

The spelling of 2211231200100 in words is "two trillion, two hundred eleven billion, two hundred thirty-one million, two hundred thousand, one hundred".