102213123102 has 32 divisors (see below), whose sum is σ = 239095027200. Its totient is φ = 32277828024.

The previous prime is 102213123097. The next prime is 102213123139. The reversal of 102213123102 is 201321312201.

It is a super-2 number, since 2×102213123102² (a number of 23 digits) contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49810438 + ... + 49812489.

It is an arithmetic number, because the mean of its divisors is an integer number (7471719600).

Almost surely, 2^102213123102 is an apocalyptic number.

102213123102 is an abundant number, since it is smaller than the sum of its proper divisors (136881904098).

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

102213123102 is a wasteful number, since it uses less digits than its factorization.

102213123102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99622957 (or 99622951 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 102213123102 its reverse (201321312201), we get a palindrome (303534435303).

The spelling of 102213123102 in words is "one hundred two billion, two hundred thirteen million, one hundred twenty-three thousand, one hundred two".