2112112021222 has 8 divisors (see below), whose sum is σ = 3620763464976. Its totient is φ = 905190866232.

The previous prime is 2112112021193. The next prime is 2112112021231. The reversal of 2112112021222 is 2221202112112.

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

It is a super-2 number, since 2×2112112021222² (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 2112112021222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75432572173 + ... + 75432572200.

It is an arithmetic number, because the mean of its divisors is an integer number (452595433122).

Almost surely, 2^{2112112021222} is an apocalyptic number.

2112112021222 is a deficient number, since it is larger than the sum of its proper divisors (1508651443754).

2112112021222 is a wasteful number, since it uses less digits than its factorization.

2112112021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150865144382.

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

Adding to 2112112021222 its reverse (2221202112112), we get a palindrome (4333314133334).

The spelling of 2112112021222 in words is "two trillion, one hundred twelve billion, one hundred twelve million, twenty-one thousand, two hundred twenty-two".