202022021101 has 2 divisors, whose sum is σ = 202022021102. Its totient is φ = 202022021100.

The previous prime is 202022021099. The next prime is 202022021119. The reversal of 202022021101 is 101120220202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160882012201 + 41140008900 = 401101^2 + 202830^2 .

It is a cyclic number.

It is not a de Polignac number, because 202022021101 - 2¹ = 202022021099 is a prime.

Together with 202022021099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202022021171) 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 as a sum of consecutive naturals, namely, 101011010550 + 101011010551.

It is an arithmetic number, because the mean of its divisors is an integer number (101011010551).

Almost surely, 2^202022021101 is an apocalyptic number.

It is an amenable number.

202022021101 is a deficient number, since it is larger than the sum of its proper divisors (1).

202022021101 is an equidigital number, since it uses as much as digits as its factorization.

202022021101 is an odious number, because the sum of its binary digits is odd.

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

Adding to 202022021101 its reverse (101120220202), we get a palindrome (303142241303).

The spelling of 202022021101 in words is "two hundred two billion, twenty-two million, twenty-one thousand, one hundred one".