100200021121010 has 8 divisors (see below), whose sum is σ = 180360038017836. Its totient is φ = 40080008448400.

The previous prime is 100200021120989. The next prime is 100200021121027. The reversal of 100200021121010 is 10121120002001.

It can be written as a sum of positive squares in 2 ways, for example, as 98359801357801 + 1840219763209 = 9917651^2 + 1356547^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 100200021120982 and 100200021121000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5010001056041 + ... + 5010001056060.

Almost surely, 2^{100200021121010} is an apocalyptic number.

100200021121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100200021121010 is a deficient number, since it is larger than the sum of its proper divisors (80160016896826).

100200021121010 is a wasteful number, since it uses less digits than its factorization.

100200021121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10020002112108.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100200021121010 its reverse (10121120002001), we get a palindrome (110321141123011).

The spelling of 100200021121010 in words is "one hundred trillion, two hundred billion, twenty-one million, one hundred twenty-one thousand, ten".