121122022222211 has 2 divisors, whose sum is σ = 121122022222212. Its totient is φ = 121122022222210.

The previous prime is 121122022222171. The next prime is 121122022222259. The reversal of 121122022222211 is 112222220221121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121122022222211 is a prime.

It is not a weakly prime, because it can be changed into another prime (121122024222211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60561011111105 + 60561011111106.

It is an arithmetic number, because the mean of its divisors is an integer number (60561011111106).

Almost surely, 2^{121122022222211} is an apocalyptic number.

121122022222211 is a deficient number, since it is larger than the sum of its proper divisors (1).

121122022222211 is an equidigital number, since it uses as much as digits as its factorization.

121122022222211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 121122022222211 its reverse (112222220221121), we get a palindrome (233344242443332).

The spelling of 121122022222211 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, twenty-two million, two hundred twenty-two thousand, two hundred eleven".