101223606500 has 96 divisors (see below), whose sum is σ = 222387389952. Its totient is φ = 40249440000.

The previous prime is 101223606469. The next prime is 101223606509. The reversal of 101223606500 is 5606322101.

It is a self number, because there is not a number n which added to its sum of digits gives 101223606500.

It is not an unprimeable number, because it can be changed into a prime (101223606509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76625840 + ... + 76627160.

It is an arithmetic number, because the mean of its divisors is an integer number (2316535312).

Almost surely, 2^101223606500 is an apocalyptic number.

101223606500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101223606500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111193694976).

101223606500 is an abundant number, since it is smaller than the sum of its proper divisors (121163783452).

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

101223606500 is a wasteful number, since it uses less digits than its factorization.

101223606500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134 (or 2122 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 101223606500 its reverse (5606322101), we get a palindrome (106829928601).

The spelling of 101223606500 in words is "one hundred one billion, two hundred twenty-three million, six hundred six thousand, five hundred".