102120010112 has 16 divisors (see below), whose sum is σ = 203442207900. Its totient is φ = 51060004992.

The previous prime is 102120010093. The next prime is 102120010117. The reversal of 102120010112 is 211010021201.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×102120010112³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102120010093 and 102120010102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102120010117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398906162 + ... + 398906417.

Almost surely, 2^102120010112 is an apocalyptic number.

It is an amenable number.

102120010112 is a deficient number, since it is larger than the sum of its proper divisors (101322197788).

102120010112 is an frugal number, since it uses more digits than its factorization.

102120010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797812593 (or 797812581 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102120010112 its reverse (211010021201), we get a palindrome (313130031313).

The spelling of 102120010112 in words is "one hundred two billion, one hundred twenty million, ten thousand, one hundred twelve".