102102100122 has 32 divisors (see below), whose sum is σ = 222862279104. Its totient is φ = 30926966400.

The previous prime is 102102100069. The next prime is 102102100129. The reversal of 102102100122 is 221001201201.

It is a junction number, because it is equal to n+sod(n) for n = 102102100098 and 102102100107.

It is not an unprimeable number, because it can be changed into a prime (102102100129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168529 + ... + 482292.

It is an arithmetic number, because the mean of its divisors is an integer number (6964446222).

Almost surely, 2^102102100122 is an apocalyptic number.

102102100122 is an abundant number, since it is smaller than the sum of its proper divisors (120760178982).

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

102102100122 is a wasteful number, since it uses less digits than its factorization.

102102100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653214.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102102100122 its reverse (221001201201), we get a palindrome (323103301323).

The spelling of 102102100122 in words is "one hundred two billion, one hundred two million, one hundred thousand, one hundred twenty-two".