210102212112102 has 96 divisors (see below), whose sum is σ = 468375443228160. Its totient is φ = 68040762753600.

The previous prime is 210102212112053. The next prime is 210102212112167. The reversal of 210102212112102 is 201211212201012.

210102212112102 is a `hidden beast` number, since 2 + 10 + 10 + 221 + 211 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56881843 + ... + 60462785.

It is an arithmetic number, because the mean of its divisors is an integer number (4878910866960).

Almost surely, 2^{210102212112102} is an apocalyptic number.

210102212112102 is an abundant number, since it is smaller than the sum of its proper divisors (258273231116058).

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

210102212112102 is a wasteful number, since it uses less digits than its factorization.

210102212112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3581658 (or 3581655 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 210102212112102 its reverse (201211212201012), we get a palindrome (411313424313114).

The spelling of 210102212112102 in words is "two hundred ten trillion, one hundred two billion, two hundred twelve million, one hundred twelve thousand, one hundred two".