202211100021 has 8 divisors (see below), whose sum is σ = 308131200064. Its totient is φ = 115549200000.

The previous prime is 202211100017. The next prime is 202211100029. The reversal of 202211100021 is 120001112202.

202211100021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 202211100021 - 2² = 202211100017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202211100029) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4814549980 + ... + 4814550021.

It is an arithmetic number, because the mean of its divisors is an integer number (38516400008).

Almost surely, 2^202211100021 is an apocalyptic number.

202211100021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

202211100021 is a deficient number, since it is larger than the sum of its proper divisors (105920100043).

202211100021 is an equidigital number, since it uses as much as digits as its factorization.

202211100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9629100011.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 202211100021 its reverse (120001112202), we get a palindrome (322212212223).

The spelling of 202211100021 in words is "two hundred two billion, two hundred eleven million, one hundred thousand, twenty-one".