21302220003311 has 32 divisors (see below), whose sum is σ = 23817758543040. Its totient is φ = 18916903627776.

The previous prime is 21302220003301. The next prime is 21302220003373. The reversal of 21302220003311 is 11330002220312.

It is a cyclic number.

It is not a de Polignac number, because 21302220003311 - 2³⁸ = 21027342096367 is a prime.

It is a super-4 number, since 4×21302220003311⁴ (a number of 54 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302220003301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337579115 + ... + 337642211.

It is an arithmetic number, because the mean of its divisors is an integer number (744304954470).

Almost surely, 2^{21302220003311} is an apocalyptic number.

21302220003311 is a deficient number, since it is larger than the sum of its proper divisors (2515538539729).

21302220003311 is a wasteful number, since it uses less digits than its factorization.

21302220003311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66363.

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

Adding to 21302220003311 its reverse (11330002220312), we get a palindrome (32632222223623).

The spelling of 21302220003311 in words is "twenty-one trillion, three hundred two billion, two hundred twenty million, three thousand, three hundred eleven".