102011121112 has 16 divisors (see below), whose sum is σ = 191283067800. Its totient is φ = 51002303040.

The previous prime is 102011121103. The next prime is 102011121167. The reversal of 102011121112 is 211121110201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102011121092 and 102011121101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271437 + ... + 526972.

Almost surely, 2^102011121112 is an apocalyptic number.

It is an amenable number.

102011121112 is a deficient number, since it is larger than the sum of its proper divisors (89271946688).

102011121112 is a wasteful number, since it uses less digits than its factorization.

102011121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814386 (or 814382 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102011121112 its reverse (211121110201), we get a palindrome (313132231313).

The spelling of 102011121112 in words is "one hundred two billion, eleven million, one hundred twenty-one thousand, one hundred twelve".