101122321050 has 96 divisors (see below), whose sum is σ = 280092668160. Its totient is φ = 26826163200.

The previous prime is 101122321049. The next prime is 101122321057. The reversal of 101122321050 is 50123221101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (101122321057) 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 47 ways as a sum of consecutive naturals, for example, 66495 + ... + 454605.

It is an arithmetic number, because the mean of its divisors is an integer number (2917631960).

Almost surely, 2^101122321050 is an apocalyptic number.

101122321050 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 101122321050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140046334080).

101122321050 is an abundant number, since it is smaller than the sum of its proper divisors (178970347110).

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

101122321050 is a wasteful number, since it uses less digits than its factorization.

101122321050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388325 (or 388314 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 101122321050 its reverse (50123221101), we get a palindrome (151245542151).

The spelling of 101122321050 in words is "one hundred one billion, one hundred twenty-two million, three hundred twenty-one thousand, fifty".