21301232200111 has 16 divisors (see below), whose sum is σ = 21562465012704. Its totient is φ = 21041292754944.

The previous prime is 21301232200099. The next prime is 21301232200133. The reversal of 21301232200111 is 11100223210312.

It is a cyclic number.

It is not a de Polignac number, because 21301232200111 - 2⁷ = 21301232199983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21301232200141) 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, 309860335 + ... + 309929071.

It is an arithmetic number, because the mean of its divisors is an integer number (1347654063294).

Almost surely, 2^{21301232200111} is an apocalyptic number.

21301232200111 is a deficient number, since it is larger than the sum of its proper divisors (261232812593).

21301232200111 is a wasteful number, since it uses less digits than its factorization.

21301232200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78090.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 21301232200111 its reverse (11100223210312), we get a palindrome (32401455410423).

The spelling of 21301232200111 in words is "twenty-one trillion, three hundred one billion, two hundred thirty-two million, two hundred thousand, one hundred eleven".