2211211012211 has 12 divisors (see below), whose sum is σ = 2259883951008. Its totient is φ = 2162606934672.

The previous prime is 2211211012201. The next prime is 2211211012223. The reversal of 2211211012211 is 1122101121122.

It is not a de Polignac number, because 2211211012211 - 2¹⁰ = 2211211011187 is a prime.

It is a super-2 number, since 2×2211211012211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2211211012211.

It is not an unprimeable number, because it can be changed into a prime (2211211012201) 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 11 ways as a sum of consecutive naturals, for example, 103914305 + ... + 103935581.

It is an arithmetic number, because the mean of its divisors is an integer number (188323662584).

Almost surely, 2^{2211211012211} is an apocalyptic number.

2211211012211 is a deficient number, since it is larger than the sum of its proper divisors (48672938797).

2211211012211 is an frugal number, since it uses more digits than its factorization.

2211211012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24298 (or 22811 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2211211012211 its reverse (1122101121122), we get a palindrome (3333312133333).

The spelling of 2211211012211 in words is "two trillion, two hundred eleven billion, two hundred eleven million, twelve thousand, two hundred eleven".