102111330212 has 12 divisors (see below), whose sum is σ = 189206288460. Its totient is φ = 48052390656.

The previous prime is 102111330131. The next prime is 102111330221. The reversal of 102111330212 is 212033111201.

It can be written as a sum of positive squares in 2 ways, for example, as 56646856036 + 45464474176 = 238006^2 + 213224^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 750818537 + ... + 750818672.

It is an arithmetic number, because the mean of its divisors is an integer number (15767190705).

Almost surely, 2^102111330212 is an apocalyptic number.

It is an amenable number.

102111330212 is a deficient number, since it is larger than the sum of its proper divisors (87094958248).

102111330212 is a wasteful number, since it uses less digits than its factorization.

102111330212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501637230 (or 1501637228 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 102111330212 its reverse (212033111201), we get a palindrome (314144441413).

The spelling of 102111330212 in words is "one hundred two billion, one hundred eleven million, three hundred thirty thousand, two hundred twelve".