2102102222 has 32 divisors (see below), whose sum is σ = 3478892544. Its totient is φ = 944697600.

The previous prime is 2102102203. The next prime is 2102102243. The reversal of 2102102222 is 2222012012.

It is a junction number, because it is equal to n+sod(n) for n = 2102102197 and 2102102206.

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 15 ways as a sum of consecutive naturals, for example, 923678 + ... + 925950.

It is an arithmetic number, because the mean of its divisors is an integer number (108715392).

Almost surely, 2^2102102222 is an apocalyptic number.

2102102222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2102102222 is a deficient number, since it is larger than the sum of its proper divisors (1376790322).

2102102222 is a wasteful number, since it uses less digits than its factorization.

2102102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2102102222 is about 45848.6883345642. The cubic root of 2102102222 is about 1281.0063338588.

Adding to 2102102222 its reverse (2222012012), we get a palindrome (4324114234).

The spelling of 2102102222 in words is "two billion, one hundred two million, one hundred two thousand, two hundred twenty-two".