21022200011 has 8 divisors (see below), whose sum is σ = 21295853040. Its totient is φ = 20750296032.

The previous prime is 21022200007. The next prime is 21022200037. The reversal of 21022200011 is 11000222012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 21022200011 - 2² = 21022200007 is a prime.

It is a super-3 number, since 3×21022200011³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21022199965 and 21022200001.

It is not an unprimeable number, because it can be changed into a prime (21022200041) 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, 413060 + ... + 461153.

It is an arithmetic number, because the mean of its divisors is an integer number (2661981630).

Almost surely, 2^21022200011 is an apocalyptic number.

21022200011 is a deficient number, since it is larger than the sum of its proper divisors (273653029).

21022200011 is a wasteful number, since it uses less digits than its factorization.

21022200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874525.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 21022200011 its reverse (11000222012), we get a palindrome (32022422023).

The spelling of 21022200011 in words is "twenty-one billion, twenty-two million, two hundred thousand, eleven".