102133212100 has 144 divisors (see below), whose sum is σ = 233352564480. Its totient is φ = 38745907200.

The previous prime is 102133212079. The next prime is 102133212179. The reversal of 102133212100 is 1212331201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112110645 + ... + 112111555.

It is an arithmetic number, because the mean of its divisors is an integer number (1620503920).

Almost surely, 2^102133212100 is an apocalyptic number.

102133212100 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 102133212100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116676282240).

102133212100 is an abundant number, since it is smaller than the sum of its proper divisors (131219352380).

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

102133212100 is a wasteful number, since it uses less digits than its factorization.

102133212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598 (or 1591 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102133212100 its reverse (1212331201), we get a palindrome (103345543301).

The spelling of 102133212100 in words is "one hundred two billion, one hundred thirty-three million, two hundred twelve thousand, one hundred".