20102210012122 has 16 divisors (see below), whose sum is σ = 34481095873920. Its totient is φ = 8610191756208.

The previous prime is 20102210012107. The next prime is 20102210012177. The reversal of 20102210012122 is 22121001220102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20102210012096 and 20102210012105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420067398 + ... + 420115249.

It is an arithmetic number, because the mean of its divisors is an integer number (2155068492120).

Almost surely, 2^{20102210012122} is an apocalyptic number.

20102210012122 is a deficient number, since it is larger than the sum of its proper divisors (14378885861798).

20102210012122 is a wasteful number, since it uses less digits than its factorization.

20102210012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840184365.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20102210012122 its reverse (22121001220102), we get a palindrome (42223211232224).

The spelling of 20102210012122 in words is "twenty trillion, one hundred two billion, two hundred ten million, twelve thousand, one hundred twenty-two".