102120222112 has 48 divisors (see below), whose sum is σ = 202808067840. Its totient is φ = 50615094528.

The previous prime is 102120222091. The next prime is 102120222119. The reversal of 102120222112 is 211222021201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (102120222119) 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, 1935214 + ... + 1987282.

It is an arithmetic number, because the mean of its divisors is an integer number (4225168080).

Almost surely, 2^102120222112 is an apocalyptic number.

It is an amenable number.

102120222112 is a deficient number, since it is larger than the sum of its proper divisors (100687845728).

102120222112 is a wasteful number, since it uses less digits than its factorization.

102120222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52613 (or 52605 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102120222112 its reverse (211222021201), we get a palindrome (313342243313).

The spelling of 102120222112 in words is "one hundred two billion, one hundred twenty million, two hundred twenty-two thousand, one hundred twelve".