102001100000 has 72 divisors (see below), whose sum is σ = 251002512936. Its totient is φ = 40800400000.

The previous prime is 102001099979. The next prime is 102001100011. The reversal of 102001100000 is 1100201.

It is a happy number.

102001100000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 410006 + ... + 610005.

It is an arithmetic number, because the mean of its divisors is an integer number (3486146013).

Almost surely, 2^102001100000 is an apocalyptic number.

102001100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102001100000 is an abundant number, since it is smaller than the sum of its proper divisors (149001412936).

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

102001100000 is an frugal number, since it uses more digits than its factorization.

102001100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020046 (or 1020018 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 102001100000 its reverse (1100201), we get a palindrome (102002200201).

The spelling of 102001100000 in words is "one hundred two billion, one million, one hundred thousand".