101123223102 has 96 divisors (see below), whose sum is σ = 249722942976. Its totient is φ = 29274379200.

The previous prime is 101123223067. The next prime is 101123223127. The reversal of 101123223102 is 201322321101.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3734452 + ... + 3761432.

It is an arithmetic number, because the mean of its divisors is an integer number (2601280656).

Almost surely, 2^101123223102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101123223102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124861471488).

101123223102 is an abundant number, since it is smaller than the sum of its proper divisors (148599719874).

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

101123223102 is a wasteful number, since it uses less digits than its factorization.

101123223102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27846 (or 27843 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 101123223102 its reverse (201322321101), we get a palindrome (302445544203).

The spelling of 101123223102 in words is "one hundred one billion, one hundred twenty-three million, two hundred twenty-three thousand, one hundred two".