121012011222211 has 2 divisors, whose sum is σ = 121012011222212. Its totient is φ = 121012011222210.

The previous prime is 121012011222181. The next prime is 121012011222217. The reversal of 121012011222211 is 112222110210121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121012011222211 - 2⁴³ = 112215918200003 is a prime.

It is not a weakly prime, because it can be changed into another prime (121012011222217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60506005611105 + 60506005611106.

It is an arithmetic number, because the mean of its divisors is an integer number (60506005611106).

Almost surely, 2^{121012011222211} is an apocalyptic number.

121012011222211 is a deficient number, since it is larger than the sum of its proper divisors (1).

121012011222211 is an equidigital number, since it uses as much as digits as its factorization.

121012011222211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121012011222211 its reverse (112222110210121), we get a palindrome (233234121432332).

The spelling of 121012011222211 in words is "one hundred twenty-one trillion, twelve billion, eleven million, two hundred twenty-two thousand, two hundred eleven".