2102110202122 has 16 divisors (see below), whose sum is σ = 3608279367552. Its totient is φ = 899738902800.

The previous prime is 2102110202077. The next prime is 2102110202161. The reversal of 2102110202122 is 2212020112012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2102110202096 and 2102110202105.

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, 97111254 + ... + 97132897.

It is an arithmetic number, because the mean of its divisors is an integer number (225517460472).

Almost surely, 2^{2102110202122} is an apocalyptic number.

2102110202122 is a deficient number, since it is larger than the sum of its proper divisors (1506169165430).

2102110202122 is a wasteful number, since it uses less digits than its factorization.

2102110202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194244933.

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

Adding to 2102110202122 its reverse (2212020112012), we get a palindrome (4314130314134).

The spelling of 2102110202122 in words is "two trillion, one hundred two billion, one hundred ten million, two hundred two thousand, one hundred twenty-two".