102251322100 has 36 divisors (see below), whose sum is σ = 221899415584. Its totient is φ = 40897939680.

The previous prime is 102251322083. The next prime is 102251322109. The reversal of 102251322100 is 1223152201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102251322109) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2718019 + ... + 2755381.

Almost surely, 2^102251322100 is an apocalyptic number.

102251322100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102251322100 is an abundant number, since it is smaller than the sum of its proper divisors (119648093484).

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

102251322100 is a wasteful number, since it uses less digits than its factorization.

102251322100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64744 (or 64737 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 102251322100 its reverse (1223152201), we get a palindrome (103474474301).

The spelling of 102251322100 in words is "one hundred two billion, two hundred fifty-one million, three hundred twenty-two thousand, one hundred".