21223202100011 has 8 divisors (see below), whose sum is σ = 21908665968000. Its totient is φ = 20537791009920.

The previous prime is 21223202099999. The next prime is 21223202100049. The reversal of 21223202100011 is 11000120232212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21223202100011 is a prime.

It is a super-2 number, since 2×21223202100011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21223202100911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12376436 + ... + 13986513.

It is an arithmetic number, because the mean of its divisors is an integer number (2738583246000).

Almost surely, 2^{21223202100011} is an apocalyptic number.

21223202100011 is a deficient number, since it is larger than the sum of its proper divisors (685463867989).

21223202100011 is a wasteful number, since it uses less digits than its factorization.

21223202100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26388949.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21223202100011 its reverse (11000120232212), we get a palindrome (32223322332223).

The spelling of 21223202100011 in words is "twenty-one trillion, two hundred twenty-three billion, two hundred two million, one hundred thousand, eleven".