101220320230 has 32 divisors (see below), whose sum is σ = 188519205600. Its totient is φ = 39083692032.

The previous prime is 101220320221. The next prime is 101220320233. The reversal of 101220320230 is 32023022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101220320233) by changing a digit.

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, 1432614 + ... + 1501606.

It is an arithmetic number, because the mean of its divisors is an integer number (5891225175).

Almost surely, 2^101220320230 is an apocalyptic number.

101220320230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101220320230 is a deficient number, since it is larger than the sum of its proper divisors (87298885370).

101220320230 is a wasteful number, since it uses less digits than its factorization.

101220320230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74088.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 101220320230 its reverse (32023022101), we get a palindrome (133243342331).

The spelling of 101220320230 in words is "one hundred one billion, two hundred twenty million, three hundred twenty thousand, two hundred thirty".