12212110100211 has 12 divisors (see below), whose sum is σ = 18941231992392. Its totient is φ = 6978348628608.

The previous prime is 12212110100173. The next prime is 12212110100231. The reversal of 12212110100211 is 11200101121221.

It is a happy number.

It is not a de Polignac number, because 12212110100211 - 2⁶ = 12212110100147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12212110100231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41537789310 + ... + 41537789603.

It is an arithmetic number, because the mean of its divisors is an integer number (1578435999366).

Almost surely, 2^{12212110100211} is an apocalyptic number.

12212110100211 is a deficient number, since it is larger than the sum of its proper divisors (6729121892181).

12212110100211 is an equidigital number, since it uses as much as digits as its factorization.

12212110100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83075578930 (or 83075578923 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12212110100211 its reverse (11200101121221), we get a palindrome (23412211221432).

The spelling of 12212110100211 in words is "twelve trillion, two hundred twelve billion, one hundred ten million, one hundred thousand, two hundred eleven".