20102222102102 has 32 divisors (see below), whose sum is σ = 34947535048704. Its totient is φ = 8493600780000.

The previous prime is 20102222102063. The next prime is 20102222102129. The reversal of 20102222102102 is 20120122220102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 29465852 + ... + 30140352.

It is an arithmetic number, because the mean of its divisors is an integer number (1092110470272).

Almost surely, 2^{20102222102102} is an apocalyptic number.

20102222102102 is a deficient number, since it is larger than the sum of its proper divisors (14845312946602).

20102222102102 is a wasteful number, since it uses less digits than its factorization.

20102222102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704564.

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

Adding to 20102222102102 its reverse (20120122220102), we get a palindrome (40222344322204).

The spelling of 20102222102102 in words is "twenty trillion, one hundred two billion, two hundred twenty-two million, one hundred two thousand, one hundred two".