2211211100212 has 48 divisors (see below), whose sum is σ = 4022974448640. Its totient is φ = 1062173968128.

The previous prime is 2211211100143. The next prime is 2211211100243. The reversal of 2211211100212 is 2120011121122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55673953 + ... + 55713655.

It is an arithmetic number, because the mean of its divisors is an integer number (83811967680).

Almost surely, 2^{2211211100212} is an apocalyptic number.

It is an amenable number.

2211211100212 is a deficient number, since it is larger than the sum of its proper divisors (1811763348428).

2211211100212 is a wasteful number, since it uses less digits than its factorization.

2211211100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42112 (or 42110 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2211211100212 its reverse (2120011121122), we get a palindrome (4331222221334).

The spelling of 2211211100212 in words is "two trillion, two hundred eleven billion, two hundred eleven million, one hundred thousand, two hundred twelve".