2112222201112 has 32 divisors (see below), whose sum is σ = 4054288432320. Its totient is φ = 1031185370880.

The previous prime is 2112222201071. The next prime is 2112222201137. The reversal of 2112222201112 is 2111022222112.

It is a super-2 number, since 2×2112222201112² (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 2112222201112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6513453 + ... + 6830044.

It is an arithmetic number, because the mean of its divisors is an integer number (126696513510).

Almost surely, 2^{2112222201112} is an apocalyptic number.

It is an amenable number.

2112222201112 is a deficient number, since it is larger than the sum of its proper divisors (1942066231208).

2112222201112 is a wasteful number, since it uses less digits than its factorization.

2112222201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13343971 (or 13343967 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2112222201112 its reverse (2111022222112), we get a palindrome (4223244423224).

The spelling of 2112222201112 in words is "two trillion, one hundred twelve billion, two hundred twenty-two million, two hundred one thousand, one hundred twelve".