102120111122 has 8 divisors (see below), whose sum is σ = 153183055872. Its totient is φ = 51059092500.

The previous prime is 102120111011. The next prime is 102120111151. The reversal of 102120111122 is 221111021201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 102120111097 and 102120111106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340754 + ... + 565997.

It is an arithmetic number, because the mean of its divisors is an integer number (19147881984).

Almost surely, 2^102120111122 is an apocalyptic number.

102120111122 is a deficient number, since it is larger than the sum of its proper divisors (51062944750).

102120111122 is an equidigital number, since it uses as much as digits as its factorization.

102120111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963064.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102120111122 its reverse (221111021201), we get a palindrome (323231132323).

The spelling of 102120111122 in words is "one hundred two billion, one hundred twenty million, one hundred eleven thousand, one hundred twenty-two".