102011321230 has 64 divisors (see below), whose sum is σ = 230258464128. Its totient is φ = 31675737600.

The previous prime is 102011321219. The next prime is 102011321249. The reversal of 102011321230 is 32123110201.

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 31 ways as a sum of consecutive naturals, for example, 1009321 + ... + 1105780.

It is an arithmetic number, because the mean of its divisors is an integer number (3597788502).

Almost surely, 2^102011321230 is an apocalyptic number.

102011321230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102011321230 is an abundant number, since it is smaller than the sum of its proper divisors (128247142898).

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

102011321230 is a wasteful number, since it uses less digits than its factorization.

102011321230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115181.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102011321230 its reverse (32123110201), we get a palindrome (134134431431).

The spelling of 102011321230 in words is "one hundred two billion, eleven million, three hundred twenty-one thousand, two hundred thirty".