21020333200211 has 2 divisors, whose sum is σ = 21020333200212. Its totient is φ = 21020333200210.

The previous prime is 21020333200057. The next prime is 21020333200249. The reversal of 21020333200211 is 11200233302012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21020333200211 - 2³⁰ = 21019259458387 is a prime.

It is a super-2 number, since 2×21020333200211² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21020333205211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10510166600105 + 10510166600106.

It is an arithmetic number, because the mean of its divisors is an integer number (10510166600106).

Almost surely, 2^{21020333200211} is an apocalyptic number.

21020333200211 is a deficient number, since it is larger than the sum of its proper divisors (1).

21020333200211 is an equidigital number, since it uses as much as digits as its factorization.

21020333200211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21020333200211 its reverse (11200233302012), we get a palindrome (32220566502223).

The spelling of 21020333200211 in words is "twenty-one trillion, twenty billion, three hundred thirty-three million, two hundred thousand, two hundred eleven".