102020202112 has 32 divisors (see below), whose sum is σ = 206688189600. Its totient is φ = 50145519360.

The previous prime is 102020202101. The next prime is 102020202143. The reversal of 102020202112 is 211202020201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 102020202092 and 102020202101.

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, 6746964 + ... + 6762067.

It is an arithmetic number, because the mean of its divisors is an integer number (6459005925).

Almost surely, 2^102020202112 is an apocalyptic number.

It is an amenable number.

102020202112 is an abundant number, since it is smaller than the sum of its proper divisors (104667987488).

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

102020202112 is an equidigital number, since it uses as much as digits as its factorization.

102020202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13509104 (or 13509092 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102020202112 its reverse (211202020201), we get a palindrome (313222222313).

The spelling of 102020202112 in words is "one hundred two billion, twenty million, two hundred two thousand, one hundred twelve".