994943222101 has 8 divisors (see below), whose sum is σ = 1029436594200. Its totient is φ = 960462182400.

The previous prime is 994943222093. The next prime is 994943222153. The reversal of 994943222101 is 101222349499.

It can be written as a sum of positive squares in 4 ways, for example, as 302361415876 + 692581806225 = 549874^2 + 832215^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 994943222101 - 2³ = 994943222093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994943222201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2918800 + ... + 3241801.

It is an arithmetic number, because the mean of its divisors is an integer number (128679574275).

Almost surely, 2^994943222101 is an apocalyptic number.

It is an amenable number.

994943222101 is a deficient number, since it is larger than the sum of its proper divisors (34493372099).

994943222101 is a wasteful number, since it uses less digits than its factorization.

994943222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6166199.

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 994943222101 in words is "nine hundred ninety-four billion, nine hundred forty-three million, two hundred twenty-two thousand, one hundred one".