2010221200100 has 36 divisors (see below), whose sum is σ = 4377703837668. Its totient is φ = 801226944000.

The previous prime is 2010221200087. The next prime is 2010221200109. The reversal of 2010221200100 is 10021220102.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 98682683044 + 1911538517056 = 314138^2 + 1382584^2 .

It is not an unprimeable number, because it can be changed into a prime (2010221200109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35740961 + ... + 35797160.

Almost surely, 2^{2010221200100} is an apocalyptic number.

2010221200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010221200100 is an abundant number, since it is smaller than the sum of its proper divisors (2367482637568).

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

2010221200100 is a wasteful number, since it uses less digits than its factorization.

2010221200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71538416 (or 71538409 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2010221200100 its reverse (10021220102), we get a palindrome (2020242420202).

The spelling of 2010221200100 in words is "two trillion, ten billion, two hundred twenty-one million, two hundred thousand, one hundred".