102124243100 has 36 divisors (see below), whose sum is σ = 241755938088. Its totient is φ = 37136088000.

The previous prime is 102124243093. The next prime is 102124243103. The reversal of 102124243100 is 1342421201.

It is a super-2 number, since 2×102124243100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102124243103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46419011 + ... + 46421210.

Almost surely, 2^102124243100 is an apocalyptic number.

102124243100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102124243100 is an abundant number, since it is smaller than the sum of its proper divisors (139631694988).

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

102124243100 is a wasteful number, since it uses less digits than its factorization.

102124243100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92840246 (or 92840239 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 102124243100 its reverse (1342421201), we get a palindrome (103466664301).

The spelling of 102124243100 in words is "one hundred two billion, one hundred twenty-four million, two hundred forty-three thousand, one hundred".