102200220122 has 96 divisors (see below), whose sum is σ = 210764695680. Its totient is φ = 36534395520.

The previous prime is 102200220103. The next prime is 102200220127. The reversal of 102200220122 is 221022002201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 102200220097 and 102200220106.

It is not an unprimeable number, because it can be changed into a prime (102200220127) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 2318504 + ... + 2362172.

It is an arithmetic number, because the mean of its divisors is an integer number (2195465580).

Almost surely, 2^102200220122 is an apocalyptic number.

102200220122 is an abundant number, since it is smaller than the sum of its proper divisors (108564475558).

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

102200220122 is a wasteful number, since it uses less digits than its factorization.

102200220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43876 (or 43869 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 102200220122 its reverse (221022002201), we get a palindrome (323222222323).

It can be divided in two parts, 1022002201 and 22, that multiplied together give a palindrome (22484048422).

The spelling of 102200220122 in words is "one hundred two billion, two hundred million, two hundred twenty thousand, one hundred twenty-two".