21022001020211 has 8 divisors (see below), whose sum is σ = 22014065132064. Its totient is φ = 20036442247360.

The previous prime is 21022001020201. The next prime is 21022001020217. The reversal of 21022001020211 is 11202010022012.

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 21022001020211 - 2⁶ = 21022001020147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21022001020217) 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, 1626328136 + ... + 1626341061.

It is an arithmetic number, because the mean of its divisors is an integer number (2751758141508).

Almost surely, 2^{21022001020211} is an apocalyptic number.

21022001020211 is a deficient number, since it is larger than the sum of its proper divisors (992064111853).

21022001020211 is a wasteful number, since it uses less digits than its factorization.

21022001020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252669501.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21022001020211 its reverse (11202010022012), we get a palindrome (32224011042223).

The spelling of 21022001020211 in words is "twenty-one trillion, twenty-two billion, one million, twenty thousand, two hundred eleven".