102210121212102 has 12 divisors (see below), whose sum is σ = 221455262626260. Its totient is φ = 34070040404028.

The previous prime is 102210121212047. The next prime is 102210121212103. The reversal of 102210121212102 is 201212121012201.

102210121212102 is a `hidden beast` number, since 10 + 221 + 0 + 121 + 212 + 102 = 666.

102210121212102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×102210121212102³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5678340067339 = 102210121212102 / (1 + 0 + 2 + 2 + 1 + 0 + 1 + 2 + 1 + 2 + 1 + 2 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102210121212103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2839170033652 + ... + 2839170033687.

It is an arithmetic number, because the mean of its divisors is an integer number (18454605218855).

Almost surely, 2^{102210121212102} is an apocalyptic number.

102210121212102 is an abundant number, since it is smaller than the sum of its proper divisors (119245141414158).

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

102210121212102 is a wasteful number, since it uses less digits than its factorization.

102210121212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678340067347 (or 5678340067344 counting only the distinct ones).

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

Adding to 102210121212102 its reverse (201212121012201), we get a palindrome (303422242224303).

The spelling of 102210121212102 in words is "one hundred two trillion, two hundred ten billion, one hundred twenty-one million, two hundred twelve thousand, one hundred two".