102102220220022 has 192 divisors, whose sum is σ = 248992879576896. Its totient is φ = 29965725204480.

The previous prime is 102102220220003. The next prime is 102102220220087. The reversal of 102102220220022 is 220022022201201.

102102220220022 is a `hidden beast` number, since 10 + 210 + 2 + 220 + 2 + 200 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102102220219977 and 102102220220004.

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 95 ways as a sum of consecutive naturals, for example, 7669355638 + ... + 7669368950.

It is an arithmetic number, because the mean of its divisors is an integer number (1296837914463).

Almost surely, 2^{102102220220022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102102220220022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124496439788448).

102102220220022 is an abundant number, since it is smaller than the sum of its proper divisors (146890659356874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102102220220022 is a wasteful number, since it uses less digits than its factorization.

102102220220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18095 (or 18092 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 102102220220022 its reverse (220022022201201), we get a palindrome (322124242421223).

The spelling of 102102220220022 in words is "one hundred two trillion, one hundred two billion, two hundred twenty million, two hundred twenty thousand, twenty-two".