2100221020201 has 8 divisors (see below), whose sum is σ = 2275478862624. Its totient is φ = 1930709336640.

The previous prime is 2100221020097. The next prime is 2100221020291. The reversal of 2100221020201 is 1020201220012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2100221020201 - 2¹⁹ = 2100220495913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100221020291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436538955 + ... + 1436540416.

It is an arithmetic number, because the mean of its divisors is an integer number (284434857828).

Almost surely, 2^{2100221020201} is an apocalyptic number.

It is an amenable number.

2100221020201 is a deficient number, since it is larger than the sum of its proper divisors (175257842423).

2100221020201 is a wasteful number, since it uses less digits than its factorization.

2100221020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873079431.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2100221020201 its reverse (1020201220012), we get a palindrome (3120422240213).

The spelling of 2100221020201 in words is "two trillion, one hundred billion, two hundred twenty-one million, twenty thousand, two hundred one".