2211100100012 has 48 divisors (see below), whose sum is σ = 4022956173600. Its totient is φ = 1062600307200.

The previous prime is 2211100099973. The next prime is 2211100100017. The reversal of 2211100100012 is 2100010011122.

It is a junction number, because it is equal to n+sod(n) for n = 2211100099966 and 2211100100002.

It is not an unprimeable number, because it can be changed into a prime (2211100100017) 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 15 ways as a sum of consecutive naturals, for example, 2828114 + ... + 3524262.

It is an arithmetic number, because the mean of its divisors is an integer number (83811586950).

Almost surely, 2^{2211100100012} is an apocalyptic number.

It is an amenable number.

2211100100012 is a deficient number, since it is larger than the sum of its proper divisors (1811856073588).

2211100100012 is a wasteful number, since it uses less digits than its factorization.

2211100100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696482 (or 696480 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2211100100012 its reverse (2100010011122), we get a palindrome (4311110111134).

The spelling of 2211100100012 in words is "two trillion, two hundred eleven billion, one hundred million, one hundred thousand, twelve".