21022211000001 has 16 divisors (see below), whose sum is σ = 28830074837696. Its totient is φ = 13617954717696.

The previous prime is 21022210999949. The next prime is 21022211000033. The reversal of 21022211000001 is 10000011222012.

It is not a de Polignac number, because 21022211000001 - 2¹⁴ = 21022210983617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21022211040001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422158720 + ... + 422208513.

It is an arithmetic number, because the mean of its divisors is an integer number (1801879677356).

Almost surely, 2^{21022211000001} is an apocalyptic number.

It is an amenable number.

21022211000001 is a deficient number, since it is larger than the sum of its proper divisors (7807863837695).

21022211000001 is a wasteful number, since it uses less digits than its factorization.

21022211000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844367472.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21022211000001 its reverse (10000011222012), we get a palindrome (31022222222013).

The spelling of 21022211000001 in words is "twenty-one trillion, twenty-two billion, two hundred eleven million, one", and thus it is an aban number.