21032022101 has 2 divisors, whose sum is σ = 21032022102. Its totient is φ = 21032022100.

The previous prime is 21032022083. The next prime is 21032022103. The reversal of 21032022101 is 10122023012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16867255876 + 4164766225 = 129874^2 + 64535^2 .

It is a cyclic number.

It is not a de Polignac number, because 21032022101 - 2²² = 21027827797 is a prime.

Together with 21032022103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21032022103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10516011050 + 10516011051.

It is an arithmetic number, because the mean of its divisors is an integer number (10516011051).

Almost surely, 2^21032022101 is an apocalyptic number.

It is an amenable number.

21032022101 is a deficient number, since it is larger than the sum of its proper divisors (1).

21032022101 is an equidigital number, since it uses as much as digits as its factorization.

21032022101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21032022101 its reverse (10122023012), we get a palindrome (31154045113).

The spelling of 21032022101 in words is "twenty-one billion, thirty-two million, twenty-two thousand, one hundred one".