102120110212 has 24 divisors (see below), whose sum is σ = 184306174976. Its totient is φ = 49479903648.

The previous prime is 102120110207. The next prime is 102120110221. The reversal of 102120110212 is 212011021201.

It is a super-2 number, since 2×102120110212² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102120110192 and 102120110201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2315643 + ... + 2359330.

Almost surely, 2^102120110212 is an apocalyptic number.

It is an amenable number.

102120110212 is a deficient number, since it is larger than the sum of its proper divisors (82186064764).

102120110212 is a wasteful number, since it uses less digits than its factorization.

102120110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4675147 (or 4675145 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102120110212 its reverse (212011021201), we get a palindrome (314131131413).

The spelling of 102120110212 in words is "one hundred two billion, one hundred twenty million, one hundred ten thousand, two hundred twelve".