102210102 has 12 divisors (see below), whose sum is σ = 221455260. Its totient is φ = 34070028.

The previous prime is 102210077. The next prime is 102210107. The reversal of 102210102 is 201012201.

It is a super-3 number, since 3×102210102³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102210107) 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, 2839152 + ... + 2839187.

It is an arithmetic number, because the mean of its divisors is an integer number (18454605).

Almost surely, 2^102210102 is an apocalyptic number.

102210102 is an abundant number, since it is smaller than the sum of its proper divisors (119245158).

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

102210102 is a wasteful number, since it uses less digits than its factorization.

102210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5678347 (or 5678344 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 102210102 is about 10109.9011864607. The cubic root of 102210102 is about 467.5534585746.

Adding to 102210102 its reverse (201012201), we get a palindrome (303222303).

The spelling of 102210102 in words is "one hundred two million, two hundred ten thousand, one hundred two".