201100020002021 has 8 divisors (see below), whose sum is σ = 230216163591744. Its totient is φ = 172080768738240.

The previous prime is 201100020002003. The next prime is 201100020002027. The reversal of 201100020002021 is 120200020001102.

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 201100020002021 - 2²⁶ = 201099952893157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201100020001993 and 201100020002011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201100020002027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24223077035 + ... + 24223085336.

It is an arithmetic number, because the mean of its divisors is an integer number (28777020448968).

Almost surely, 2^{201100020002021} is an apocalyptic number.

It is an amenable number.

201100020002021 is a deficient number, since it is larger than the sum of its proper divisors (29116143589723).

201100020002021 is an equidigital number, since it uses as much as digits as its factorization.

201100020002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48446162971.

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

Adding to 201100020002021 its reverse (120200020001102), we get a palindrome (321300040003123).

The spelling of 201100020002021 in words is "two hundred one trillion, one hundred billion, twenty million, two thousand, twenty-one".