2112221102 has 4 divisors (see below), whose sum is σ = 3168331656. Its totient is φ = 1056110550.

The previous prime is 2112221099. The next prime is 2112221107. The reversal of 2112221102 is 2011222112.

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

It is a super-2 number, since 2×2112221102² = 8922955967468188808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112221107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528055274 + ... + 528055277.

It is an arithmetic number, because the mean of its divisors is an integer number (792082914).

Almost surely, 2^2112221102 is an apocalyptic number.

2112221102 is a deficient number, since it is larger than the sum of its proper divisors (1056110554).

2112221102 is a wasteful number, since it uses less digits than its factorization.

2112221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056110553.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2112221102 is about 45958.9066667170. The cubic root of 2112221102 is about 1283.0585026744.

Adding to 2112221102 its reverse (2011222112), we get a palindrome (4123443214).

It can be divided in two parts, 211222110 and 2, that added together give a palindrome (211222112).

The spelling of 2112221102 in words is "two billion, one hundred twelve million, two hundred twenty-one thousand, one hundred two".