2112100220222 has 4 divisors (see below), whose sum is σ = 3168150330336. Its totient is φ = 1056050110110.

The previous prime is 2112100220221. The next prime is 2112100220249. The reversal of 2112100220222 is 2220220012112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2112100220222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112100220221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528025055054 + ... + 528025055057.

It is an arithmetic number, because the mean of its divisors is an integer number (792037582584).

Almost surely, 2^{2112100220222} is an apocalyptic number.

2112100220222 is a deficient number, since it is larger than the sum of its proper divisors (1056050110114).

2112100220222 is a wasteful number, since it uses less digits than its factorization.

2112100220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056050110113.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2112100220222 its reverse (2220220012112), we get a palindrome (4332320232334).

The spelling of 2112100220222 in words is "two trillion, one hundred twelve billion, one hundred million, two hundred twenty thousand, two hundred twenty-two".