2212110211021 has 16 divisors (see below), whose sum is σ = 2388165235200. Its totient is φ = 2042728668288.

The previous prime is 2212110210967. The next prime is 2212110211039. The reversal of 2212110211021 is 1201120112122.

It is a cyclic number.

It is not a de Polignac number, because 2212110211021 - 2⁹ = 2212110210509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212110210986 and 2212110211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212110211061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5625385 + ... + 6005761.

It is an arithmetic number, because the mean of its divisors is an integer number (149260327200).

Almost surely, 2^{2212110211021} is an apocalyptic number.

It is an amenable number.

2212110211021 is a deficient number, since it is larger than the sum of its proper divisors (176055024179).

2212110211021 is a wasteful number, since it uses less digits than its factorization.

2212110211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389148.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2212110211021 its reverse (1201120112122), we get a palindrome (3413230323143).

The spelling of 2212110211021 in words is "two trillion, two hundred twelve billion, one hundred ten million, two hundred eleven thousand, twenty-one".