2112222099946 has 8 divisors (see below), whose sum is σ = 3620952171360. Its totient is φ = 905238042828.

The previous prime is 2112222099917. The next prime is 2112222099947. The reversal of 2112222099946 is 6499902222112.

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

It is a super-2 number, since 2×2112222099946² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112222099946.

It is not an unprimeable number, because it can be changed into a prime (2112222099947) 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, 75436503556 + ... + 75436503583.

It is an arithmetic number, because the mean of its divisors is an integer number (452619021420).

Almost surely, 2^{2112222099946} is an apocalyptic number.

2112222099946 is a deficient number, since it is larger than the sum of its proper divisors (1508730071414).

2112222099946 is a wasteful number, since it uses less digits than its factorization.

2112222099946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150873007148.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 2112222099946 in words is "two trillion, one hundred twelve billion, two hundred twenty-two million, ninety-nine thousand, nine hundred forty-six".