2201212021211 has 32 divisors (see below), whose sum is σ = 2573675596800. Its totient is φ = 1843557446016.

The previous prime is 2201212021189. The next prime is 2201212021237. The reversal of 2201212021211 is 1121202121022.

It is a cyclic number.

It is not a de Polignac number, because 2201212021211 - 2⁶ = 2201212021147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2201212021211.

It is not an unprimeable number, because it can be changed into a prime (2201212021291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95283140 + ... + 95306238.

It is an arithmetic number, because the mean of its divisors is an integer number (80427362400).

Almost surely, 2^{2201212021211} is an apocalyptic number.

2201212021211 is a deficient number, since it is larger than the sum of its proper divisors (372463575589).

2201212021211 is a wasteful number, since it uses less digits than its factorization.

2201212021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24203.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2201212021211 its reverse (1121202121022), we get a palindrome (3322414142233).

The spelling of 2201212021211 in words is "two trillion, two hundred one billion, two hundred twelve million, twenty-one thousand, two hundred eleven".