222021120221211 has 16 divisors (see below), whose sum is σ = 298373816733984. Its totient is φ = 146842591544064.

The previous prime is 222021120221203. The next prime is 222021120221269. The reversal of 222021120221211 is 112122021120222.

It is not a de Polignac number, because 222021120221211 - 2³ = 222021120221203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222021120221311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166788196 + ... + 168114081.

It is an arithmetic number, because the mean of its divisors is an integer number (18648363545874).

Almost surely, 2^{222021120221211} is an apocalyptic number.

222021120221211 is a deficient number, since it is larger than the sum of its proper divisors (76352696512773).

222021120221211 is a wasteful number, since it uses less digits than its factorization.

222021120221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334904030.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222021120221211 its reverse (112122021120222), we get a palindrome (334143141341433).

The spelling of 222021120221211 in words is "two hundred twenty-two trillion, twenty-one billion, one hundred twenty million, two hundred twenty-one thousand, two hundred eleven".