1201132321211 has 2 divisors, whose sum is σ = 1201132321212. Its totient is φ = 1201132321210.

The previous prime is 1201132321201. The next prime is 1201132321231. The reversal of 1201132321211 is 1121232311021.

It is an a-pointer prime, because the next prime (1201132321231) can be obtained adding 1201132321211 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201132321211 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201132321201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600566160605 + 600566160606.

It is an arithmetic number, because the mean of its divisors is an integer number (600566160606).

Almost surely, 2^{1201132321211} is an apocalyptic number.

1201132321211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201132321211 is an equidigital number, since it uses as much as digits as its factorization.

1201132321211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1201132321211 its reverse (1121232311021), we get a palindrome (2322364632232).

The spelling of 1201132321211 in words is "one trillion, two hundred one billion, one hundred thirty-two million, three hundred twenty-one thousand, two hundred eleven".