102140202230 has 32 divisors (see below), whose sum is σ = 212364231840. Its totient is φ = 34957073920.

The previous prime is 102140202217. The next prime is 102140202233. The reversal of 102140202230 is 32202041201.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 102140202199 and 102140202208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102140202233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27308345 + ... + 27312084.

It is an arithmetic number, because the mean of its divisors is an integer number (6636382245).

Almost surely, 2^102140202230 is an apocalyptic number.

102140202230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102140202230 is an abundant number, since it is smaller than the sum of its proper divisors (110224029610).

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

102140202230 is a wasteful number, since it uses less digits than its factorization.

102140202230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54620464.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 102140202230 its reverse (32202041201), we get a palindrome (134342243431).

The spelling of 102140202230 in words is "one hundred two billion, one hundred forty million, two hundred two thousand, two hundred thirty".