102002011101100 has 144 divisors (see below), whose sum is σ = 241742527488000. Its totient is φ = 37049276224000.

The previous prime is 102002011101059. The next prime is 102002011101101. The reversal of 102002011101100 is 1101110200201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (102002011101101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3863845701 + ... + 3863872099.

It is an arithmetic number, because the mean of its divisors is an integer number (1678767552000).

Almost surely, 2^{102002011101100} is an apocalyptic number.

102002011101100 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 102002011101100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120871263744000).

102002011101100 is an abundant number, since it is smaller than the sum of its proper divisors (139740516386900).

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

102002011101100 is a wasteful number, since it uses less digits than its factorization.

102002011101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30304 (or 30297 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 102002011101100 its reverse (1101110200201), we get a palindrome (103103121301301).

The spelling of 102002011101100 in words is "one hundred two trillion, two billion, eleven million, one hundred one thousand, one hundred".