2212212401100 has 216 divisors, whose sum is σ = 7480190455920. Its totient is φ = 543615229440.

The previous prime is 2212212401099. The next prime is 2212212401111. The reversal of 2212212401100 is 11042122122.

2212212401100 is a `hidden beast` number, since 221 + 22 + 12 + 401 + 10 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6706846 + ... + 7028954.

It is an arithmetic number, because the mean of its divisors is an integer number (34630511370).

Almost surely, 2^{2212212401100} is an apocalyptic number.

2212212401100 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 2212212401100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3740095227960).

2212212401100 is an abundant number, since it is smaller than the sum of its proper divisors (5267978054820).

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

2212212401100 is a wasteful number, since it uses less digits than its factorization.

2212212401100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322729 (or 322719 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2212212401100 its reverse (11042122122), we get a palindrome (2223254523222).

The spelling of 2212212401100 in words is "two trillion, two hundred twelve billion, two hundred twelve million, four hundred one thousand, one hundred".