21023330010311 has 2 divisors, whose sum is σ = 21023330010312. Its totient is φ = 21023330010310.

The previous prime is 21023330010209. The next prime is 21023330010337. The reversal of 21023330010311 is 11301003332012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21023330010311 is a prime.

It is a super-2 number, since 2×21023330010311² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21023330010391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10511665005155 + 10511665005156.

It is an arithmetic number, because the mean of its divisors is an integer number (10511665005156).

Almost surely, 2^{21023330010311} is an apocalyptic number.

21023330010311 is a deficient number, since it is larger than the sum of its proper divisors (1).

21023330010311 is an equidigital number, since it uses as much as digits as its factorization.

21023330010311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 21023330010311 its reverse (11301003332012), we get a palindrome (32324333342323).

The spelling of 21023330010311 in words is "twenty-one trillion, twenty-three billion, three hundred thirty million, ten thousand, three hundred eleven".