102300121100 has 72 divisors (see below), whose sum is σ = 234007678800. Its totient is φ = 38711174400.

The previous prime is 102300120919. The next prime is 102300121109. The reversal of 102300121100 is 1121003201.

It is not an unprimeable number, because it can be changed into a prime (102300121109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1309130 + ... + 1385070.

It is an arithmetic number, because the mean of its divisors is an integer number (3250106650).

Almost surely, 2^102300121100 is an apocalyptic number.

102300121100 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 102300121100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117003839400).

102300121100 is an abundant number, since it is smaller than the sum of its proper divisors (131707557700).

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

102300121100 is a wasteful number, since it uses less digits than its factorization.

102300121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76683 (or 76676 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 102300121100 its reverse (1121003201), we get a palindrome (103421124301).

The spelling of 102300121100 in words is "one hundred two billion, three hundred million, one hundred twenty-one thousand, one hundred".