1201011222211 has 2 divisors, whose sum is σ = 1201011222212. Its totient is φ = 1201011222210.

The previous prime is 1201011222163. The next prime is 1201011222251. The reversal of 1201011222211 is 1122221101021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201011222211 - 2¹³ = 1201011214019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201011222251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600505611105 + 600505611106.

It is an arithmetic number, because the mean of its divisors is an integer number (600505611106).

Almost surely, 2^{1201011222211} is an apocalyptic number.

1201011222211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201011222211 is an equidigital number, since it uses as much as digits as its factorization.

1201011222211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1201011222211 its reverse (1122221101021), we get a palindrome (2323232323232).

The spelling of 1201011222211 in words is "one trillion, two hundred one billion, eleven million, two hundred twenty-two thousand, two hundred eleven".