10212220211211 has 24 divisors (see below), whose sum is σ = 15298232629680. Its totient is φ = 6807739532832.

The previous prime is 10212220211189. The next prime is 10212220211231. The reversal of 10212220211211 is 11211202221201.

10212220211211 is a `hidden beast` number, since 1 + 0 + 21 + 2 + 220 + 211 + 211 = 666.

It is not a de Polignac number, because 10212220211211 - 2²² = 10212216016907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10212220211231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2840841 + ... + 5338053.

It is an arithmetic number, because the mean of its divisors is an integer number (637426359570).

Almost surely, 2^{10212220211211} is an apocalyptic number.

10212220211211 is a deficient number, since it is larger than the sum of its proper divisors (5086012418469).

10212220211211 is an equidigital number, since it uses as much as digits as its factorization.

10212220211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514057 (or 2514045 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10212220211211 its reverse (11211202221201), we get a palindrome (21423422432412).

The spelling of 10212220211211 in words is "ten trillion, two hundred twelve billion, two hundred twenty million, two hundred eleven thousand, two hundred eleven".