201121220022211 has 2 divisors, whose sum is σ = 201121220022212. Its totient is φ = 201121220022210.

The previous prime is 201121220022169. The next prime is 201121220022227. The reversal of 201121220022211 is 112220022121102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201121220022211 - 2⁹ = 201121220021699 is a prime.

It is not a weakly prime, because it can be changed into another prime (201121220032211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560610011105 + 100560610011106.

It is an arithmetic number, because the mean of its divisors is an integer number (100560610011106).

Almost surely, 2^{201121220022211} is an apocalyptic number.

201121220022211 is a deficient number, since it is larger than the sum of its proper divisors (1).

201121220022211 is an equidigital number, since it uses as much as digits as its factorization.

201121220022211 is an odious number, because the sum of its binary digits is odd.

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

Adding to 201121220022211 its reverse (112220022121102), we get a palindrome (313341242143313).

The spelling of 201121220022211 in words is "two hundred one trillion, one hundred twenty-one billion, two hundred twenty million, twenty-two thousand, two hundred eleven".