21202010032211 has 2 divisors, whose sum is σ = 21202010032212. Its totient is φ = 21202010032210.

The previous prime is 21202010032199. The next prime is 21202010032297. The reversal of 21202010032211 is 11223001020212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21202010032211 - 2²⁶ = 21201942923347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21202010032211.

It is not a weakly prime, because it can be changed into another prime (21202010032811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10601005016105 + 10601005016106.

It is an arithmetic number, because the mean of its divisors is an integer number (10601005016106).

Almost surely, 2^{21202010032211} is an apocalyptic number.

21202010032211 is a deficient number, since it is larger than the sum of its proper divisors (1).

21202010032211 is an equidigital number, since it uses as much as digits as its factorization.

21202010032211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21202010032211 its reverse (11223001020212), we get a palindrome (32425011052423).

The spelling of 21202010032211 in words is "twenty-one trillion, two hundred two billion, ten million, thirty-two thousand, two hundred eleven".