102020101112 has 8 divisors (see below), whose sum is σ = 191287689600. Its totient is φ = 51010050552.

The previous prime is 102020101097. The next prime is 102020101129. The reversal of 102020101112 is 211101020201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 102020101093 and 102020101102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6376256312 + ... + 6376256327.

It is an arithmetic number, because the mean of its divisors is an integer number (23910961200).

Almost surely, 2^102020101112 is an apocalyptic number.

It is an amenable number.

102020101112 is a deficient number, since it is larger than the sum of its proper divisors (89267588488).

102020101112 is a wasteful number, since it uses less digits than its factorization.

102020101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12752512645 (or 12752512641 counting only the distinct ones).

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

Adding to 102020101112 its reverse (211101020201), we get a palindrome (313121121313).

The spelling of 102020101112 in words is "one hundred two billion, twenty million, one hundred one thousand, one hundred twelve".