102122021112 has 16 divisors (see below), whose sum is σ = 255305052840. Its totient is φ = 34040673696.

The previous prime is 102122021107. The next prime is 102122021119. The reversal of 102122021112 is 211120221201.

102122021112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 102122021091 and 102122021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122021119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2127542083 + ... + 2127542130.

Almost surely, 2^102122021112 is an apocalyptic number.

102122021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102122021112 is an abundant number, since it is smaller than the sum of its proper divisors (153183031728).

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

102122021112 is a wasteful number, since it uses less digits than its factorization.

102122021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255084222 (or 4255084218 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102122021112 its reverse (211120221201), we get a palindrome (313242242313).

The spelling of 102122021112 in words is "one hundred two billion, one hundred twenty-two million, twenty-one thousand, one hundred twelve".