202100221007 has 2 divisors, whose sum is σ = 202100221008. Its totient is φ = 202100221006.

The previous prime is 202100220989. The next prime is 202100221027. The reversal of 202100221007 is 700122001202.

202100221007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202100221007 - 2¹⁰ = 202100219983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202100221027) 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 as a sum of consecutive naturals, namely, 101050110503 + 101050110504.

It is an arithmetic number, because the mean of its divisors is an integer number (101050110504).

Almost surely, 2^202100221007 is an apocalyptic number.

202100221007 is a deficient number, since it is larger than the sum of its proper divisors (1).

202100221007 is an equidigital number, since it uses as much as digits as its factorization.

202100221007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

Adding to 202100221007 its reverse (700122001202), we get a palindrome (902222222209).

The spelling of 202100221007 in words is "two hundred two billion, one hundred million, two hundred twenty-one thousand, seven".