21302323021011 has 16 divisors (see below), whose sum is σ = 29248190189568. Its totient is φ = 13782629275200.

The previous prime is 21302323020907. The next prime is 21302323021037. The reversal of 21302323021011 is 11012032320312.

It is not a de Polignac number, because 21302323021011 - 2¹⁰ = 21302323019987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21302323021061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453352471 + ... + 453399456.

It is an arithmetic number, because the mean of its divisors is an integer number (1828011886848).

Almost surely, 2^{21302323021011} is an apocalyptic number.

21302323021011 is a deficient number, since it is larger than the sum of its proper divisors (7945867168557).

21302323021011 is a wasteful number, since it uses less digits than its factorization.

21302323021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906752162.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21302323021011 its reverse (11012032320312), we get a palindrome (32314355341323).

The spelling of 21302323021011 in words is "twenty-one trillion, three hundred two billion, three hundred twenty-three million, twenty-one thousand, eleven".