2212121011112 has 16 divisors (see below), whose sum is σ = 4148317929600. Its totient is φ = 1105902896560.

The previous prime is 2212121011013. The next prime is 2212121011117. The reversal of 2212121011112 is 2111101212122.

It is not an unprimeable number, because it can be changed into a prime (2212121011117) 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 3 ways as a sum of consecutive naturals, for example, 19641464 + ... + 19753767.

It is an arithmetic number, because the mean of its divisors is an integer number (259269870600).

Almost surely, 2^{2212121011112} is an apocalyptic number.

It is an amenable number.

2212121011112 is a deficient number, since it is larger than the sum of its proper divisors (1936196918488).

2212121011112 is a wasteful number, since it uses less digits than its factorization.

2212121011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39402256 (or 39402252 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2212121011112 its reverse (2111101212122), we get a palindrome (4323222223234).

The spelling of 2212121011112 in words is "two trillion, two hundred twelve billion, one hundred twenty-one million, eleven thousand, one hundred twelve".