2112220102 has 4 divisors (see below), whose sum is σ = 3168330156. Its totient is φ = 1056110050.

The previous prime is 2112220079. The next prime is 2112220151. The reversal of 2112220102 is 2010222112.

It is a happy number.

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

It is a super-2 number, since 2×2112220102² = 8922947518585780808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528055024 + ... + 528055027.

It is an arithmetic number, because the mean of its divisors is an integer number (792082539).

Almost surely, 2^2112220102 is an apocalyptic number.

2112220102 is a deficient number, since it is larger than the sum of its proper divisors (1056110054).

2112220102 is a wasteful number, since it uses less digits than its factorization.

2112220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056110053.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2112220102 is about 45958.8957874316. The cubic root of 2112220102 is about 1283.0583001926.

Adding to 2112220102 its reverse (2010222112), we get a palindrome (4122442214).

The spelling of 2112220102 in words is "two billion, one hundred twelve million, two hundred twenty thousand, one hundred two".