21002022303011 has 2 divisors, whose sum is σ = 21002022303012. Its totient is φ = 21002022303010.

The previous prime is 21002022302953. The next prime is 21002022303037. The reversal of 21002022303011 is 11030322020012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21002022303011 - 2¹⁰ = 21002022301987 is a prime.

It is a super-2 number, since 2×21002022303011² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (21002022303071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10501011151505 + 10501011151506.

It is an arithmetic number, because the mean of its divisors is an integer number (10501011151506).

Almost surely, 2^{21002022303011} is an apocalyptic number.

21002022303011 is a deficient number, since it is larger than the sum of its proper divisors (1).

21002022303011 is an equidigital number, since it uses as much as digits as its factorization.

21002022303011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21002022303011 its reverse (11030322020012), we get a palindrome (32032344323023).

The spelling of 21002022303011 in words is "twenty-one trillion, two billion, twenty-two million, three hundred three thousand, eleven".