2112222099948 has 72 divisors (see below), whose sum is σ = 5155234784448. Its totient is φ = 673054750368.

The previous prime is 2112222099947. The next prime is 2112222100031. The reversal of 2112222099948 is 8499902222112.

It is a super-2 number, since 2×2112222099948² (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 2112222099948.

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 23 ways as a sum of consecutive naturals, for example, 10482315 + ... + 10681917.

Almost surely, 2^{2112222099948} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112222099948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2577617392224).

2112222099948 is an abundant number, since it is smaller than the sum of its proper divisors (3043012684500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112222099948 is a wasteful number, since it uses less digits than its factorization.

2112222099948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201323 (or 201298 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The spelling of 2112222099948 in words is "two trillion, one hundred twelve billion, two hundred twenty-two million, ninety-nine thousand, nine hundred forty-eight".