122222121201211 has 16 divisors (see below), whose sum is σ = 125567385199200. Its totient is φ = 118894471833600.

The previous prime is 122222121201137. The next prime is 122222121201277. The reversal of 122222121201211 is 112102121222221.

It is a cyclic number.

It is not a de Polignac number, because 122222121201211 - 2¹⁹ = 122222120676923 is a prime.

It is a super-2 number, since 2×122222121201211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122222121201281) 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, 34551420 + ... + 37924198.

It is an arithmetic number, because the mean of its divisors is an integer number (7847961574950).

Almost surely, 2^{122222121201211} is an apocalyptic number.

122222121201211 is a deficient number, since it is larger than the sum of its proper divisors (3345263997989).

122222121201211 is a wasteful number, since it uses less digits than its factorization.

122222121201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375390.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 122222121201211 its reverse (112102121222221), we get a palindrome (234324242423432).

The spelling of 122222121201211 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred one thousand, two hundred eleven".