102110211222128 has 40 divisors (see below), whose sum is σ = 198540973384368. Its totient is φ = 50873837110272.

The previous prime is 102110211222127. The next prime is 102110211222223. The reversal of 102110211222128 is 821222112011201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102110211222097 and 102110211222106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102110211222121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330285350 + ... + 330594362.

Almost surely, 2^{102110211222128} is an apocalyptic number.

It is an amenable number.

102110211222128 is a deficient number, since it is larger than the sum of its proper divisors (96430762162240).

102110211222128 is a wasteful number, since it uses less digits than its factorization.

102110211222128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382281 (or 382275 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 26.

Adding to 102110211222128 its reverse (821222112011201), we get a palindrome (923332323233329).

The spelling of 102110211222128 in words is "one hundred two trillion, one hundred ten billion, two hundred eleven million, two hundred twenty-two thousand, one hundred twenty-eight".