2212100001100 has 36 divisors (see below), whose sum is σ = 5236644005208. Its totient is φ = 804400000000.

The previous prime is 2212100001077. The next prime is 2212100001103. The reversal of 2212100001100 is 11000012122.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2212100001103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1005498901 + ... + 1005501100.

It is an arithmetic number, because the mean of its divisors is an integer number (145462333478).

Almost surely, 2^{2212100001100} is an apocalyptic number.

2212100001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212100001100 is an abundant number, since it is smaller than the sum of its proper divisors (3024544004108).

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

2212100001100 is a wasteful number, since it uses less digits than its factorization.

2212100001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011000026 (or 2011000019 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2212100001100 its reverse (11000012122), we get a palindrome (2223100013222).

The spelling of 2212100001100 in words is "two trillion, two hundred twelve billion, one hundred million, one thousand, one hundred".