22021010010211 has 4 divisors (see below), whose sum is σ = 22286323383912. Its totient is φ = 21755696636512.

The previous prime is 22021010010203. The next prime is 22021010010227. The reversal of 22021010010211 is 11201001012022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22021010010211 - 2³ = 22021010010203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22021010010191 and 22021010010200.

It is not an unprimeable number, because it can be changed into a prime (22021010010611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132656686726 + ... + 132656686891.

It is an arithmetic number, because the mean of its divisors is an integer number (5571580845978).

Almost surely, 2^{22021010010211} is an apocalyptic number.

22021010010211 is a deficient number, since it is larger than the sum of its proper divisors (265313373701).

22021010010211 is an equidigital number, since it uses as much as digits as its factorization.

22021010010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265313373700.

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

Adding to 22021010010211 its reverse (11201001012022), we get a palindrome (33222011022233).

The spelling of 22021010010211 in words is "twenty-two trillion, twenty-one billion, ten million, ten thousand, two hundred eleven".