102130111230 has 128 divisors (see below), whose sum is σ = 286576607232. Its totient is φ = 22808366208.

The previous prime is 102130111157. The next prime is 102130111271. The reversal of 102130111230 is 32111031201.

It is a happy number.

It is a super-2 number, since 2×102130111230² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5982567 + ... + 5999613.

It is an arithmetic number, because the mean of its divisors is an integer number (2238879744).

Almost surely, 2^102130111230 is an apocalyptic number.

102130111230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102130111230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143288303616).

102130111230 is an abundant number, since it is smaller than the sum of its proper divisors (184446496002).

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

102130111230 is a wasteful number, since it uses less digits than its factorization.

102130111230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17718.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 102130111230 its reverse (32111031201), we get a palindrome (134241142431).

The spelling of 102130111230 in words is "one hundred two billion, one hundred thirty million, one hundred eleven thousand, two hundred thirty".