222012001212211 has 4 divisors (see below), whose sum is σ = 253728001385392. Its totient is φ = 190296001039032.

The previous prime is 222012001212191. The next prime is 222012001212299. The reversal of 222012001212211 is 112212100210222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 222012001212211 - 2²³ = 222011992823603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222012001212011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15858000086580 + ... + 15858000086593.

It is an arithmetic number, because the mean of its divisors is an integer number (63432000346348).

Almost surely, 2^{222012001212211} is an apocalyptic number.

222012001212211 is a deficient number, since it is larger than the sum of its proper divisors (31716000173181).

222012001212211 is an equidigital number, since it uses as much as digits as its factorization.

222012001212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31716000173180.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222012001212211 its reverse (112212100210222), we get a palindrome (334224101422433).

The spelling of 222012001212211 in words is "two hundred twenty-two trillion, twelve billion, one million, two hundred twelve thousand, two hundred eleven".