101123320220 has 48 divisors (see below), whose sum is σ = 232570487520. Its totient is φ = 36704990976.

The previous prime is 101123320099. The next prime is 101123320267. The reversal of 101123320220 is 22023321101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3280727 + ... + 3311406.

It is an arithmetic number, because the mean of its divisors is an integer number (4845218490).

Almost surely, 2^101123320220 is an apocalyptic number.

101123320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101123320220 is an abundant number, since it is smaller than the sum of its proper divisors (131447167300).

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

101123320220 is a wasteful number, since it uses less digits than its factorization.

101123320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6592214 (or 6592212 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 101123320220 its reverse (22023321101), we get a palindrome (123146641321).

The spelling of 101123320220 in words is "one hundred one billion, one hundred twenty-three million, three hundred twenty thousand, two hundred twenty".