102122112228 has 48 divisors (see below), whose sum is σ = 261731742720. Its totient is φ = 30846952224.

The previous prime is 102122112227. The next prime is 102122112233. The reversal of 102122112228 is 822211221201.

It is a junction number, because it is equal to n+sod(n) for n = 102122112198 and 102122112207.

It is not an unprimeable number, because it can be changed into a prime (102122112221) 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, 9731800 + ... + 9742287.

It is an arithmetic number, because the mean of its divisors is an integer number (5452744640).

Almost surely, 2^102122112228 is an apocalyptic number.

It is an amenable number.

102122112228 is an abundant number, since it is smaller than the sum of its proper divisors (159609630492).

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

102122112228 is a wasteful number, since it uses less digits than its factorization.

102122112228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19474136 (or 19474134 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

Adding to 102122112228 its reverse (822211221201), we get a palindrome (924333333429).

The spelling of 102122112228 in words is "one hundred two billion, one hundred twenty-two million, one hundred twelve thousand, two hundred twenty-eight".