101200100210000 has 100 divisors (see below), whose sum is σ = 267289704965184. Its totient is φ = 36800036400000.

The previous prime is 101200100209927. The next prime is 101200100210021. The reversal of 101200100210000 is 12001002101.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 101200100210000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 459890456 + ... + 460110455.

Almost surely, 2^{101200100210000} is an apocalyptic number.

101200100210000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101200100210000 is an abundant number, since it is smaller than the sum of its proper divisors (166089604755184).

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

101200100210000 is an equidigital number, since it uses as much as digits as its factorization.

101200100210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920000950 (or 920000929 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 101200100210000 its reverse (12001002101), we get a palindrome (101212101212101).

The spelling of 101200100210000 in words is "one hundred one trillion, two hundred billion, one hundred million, two hundred ten thousand".