21022210010011 has 8 divisors (see below), whose sum is σ = 24478691979744. Its totient is φ = 17679055318080.

The previous prime is 21022210010003. The next prime is 21022210010077. The reversal of 21022210010011 is 11001001222012.

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 21022210010011 - 2³ = 21022210010003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21022210009973 and 21022210010000.

It is not an unprimeable number, because it can be changed into a prime (21022210010611) 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, 28331819050 + ... + 28331819791.

It is an arithmetic number, because the mean of its divisors is an integer number (3059836497468).

Almost surely, 2^{21022210010011} is an apocalyptic number.

21022210010011 is a deficient number, since it is larger than the sum of its proper divisors (3456481969733).

21022210010011 is an equidigital number, since it uses as much as digits as its factorization.

21022210010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56663638901.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21022210010011 its reverse (11001001222012), we get a palindrome (32023211232023).

The spelling of 21022210010011 in words is "twenty-one trillion, twenty-two billion, two hundred ten million, ten thousand, eleven".