102100110212 has 12 divisors (see below), whose sum is σ = 189185498460. Its totient is φ = 48047110656.

The previous prime is 102100110173. The next prime is 102100110227. The reversal of 102100110212 is 212011001201.

It can be written as a sum of positive squares in 2 ways, for example, as 89463202816 + 12636907396 = 299104^2 + 112414^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102100110193 and 102100110202.

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, 750736037 + ... + 750736172.

It is an arithmetic number, because the mean of its divisors is an integer number (15765458205).

Almost surely, 2^102100110212 is an apocalyptic number.

It is an amenable number.

102100110212 is a deficient number, since it is larger than the sum of its proper divisors (87085388248).

102100110212 is a wasteful number, since it uses less digits than its factorization.

102100110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501472230 (or 1501472228 counting only the distinct ones).

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

Adding to 102100110212 its reverse (212011001201), we get a palindrome (314111111413).

The spelling of 102100110212 in words is "one hundred two billion, one hundred million, one hundred ten thousand, two hundred twelve".