2212101021999 has 32 divisors (see below), whose sum is σ = 3274545242880. Its totient is φ = 1316974169600.

The previous prime is 2212101021997. The next prime is 2212101022013. The reversal of 2212101021999 is 9991201012122.

It is a happy number.

2212101021999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2212101021999 - 2¹ = 2212101021997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212101021997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2232469 + ... + 3067265.

It is an arithmetic number, because the mean of its divisors is an integer number (102329538840).

Almost surely, 2^{2212101021999} is an apocalyptic number.

2212101021999 is a deficient number, since it is larger than the sum of its proper divisors (1062444220881).

2212101021999 is a wasteful number, since it uses less digits than its factorization.

2212101021999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836231.

The product of its (nonzero) digits is 11664, while the sum is 39.

The spelling of 2212101021999 in words is "two trillion, two hundred twelve billion, one hundred one million, twenty-one thousand, nine hundred ninety-nine".