944011212211 has 4 divisors (see below), whose sum is σ = 948062762712. Its totient is φ = 939959661712.

The previous prime is 944011212163. The next prime is 944011212269. The reversal of 944011212211 is 112212110449.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-944011212211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 944011212211.

It is not an unprimeable number, because it can be changed into a prime (944011212281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2025774901 + ... + 2025775366.

It is an arithmetic number, because the mean of its divisors is an integer number (237015690678).

Almost surely, 2^944011212211 is an apocalyptic number.

944011212211 is a deficient number, since it is larger than the sum of its proper divisors (4051550501).

944011212211 is a wasteful number, since it uses less digits than its factorization.

944011212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051550500.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 944011212211 in words is "nine hundred forty-four billion, eleven million, two hundred twelve thousand, two hundred eleven".