1101211302011 has 2 divisors, whose sum is σ = 1101211302012. Its totient is φ = 1101211302010.

The previous prime is 1101211302007. The next prime is 1101211302053. The reversal of 1101211302011 is 1102031121011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101211302011 - 2² = 1101211302007 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101211302091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550605651005 + 550605651006.

It is an arithmetic number, because the mean of its divisors is an integer number (550605651006).

Almost surely, 2^{1101211302011} is an apocalyptic number.

1101211302011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101211302011 is an equidigital number, since it uses as much as digits as its factorization.

1101211302011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1101211302011 its reverse (1102031121011), we get a palindrome (2203242423022).

It can be divided in two parts, 1101 and 211302011, that added together give a palindrome (211303112).

The spelling of 1101211302011 in words is "one trillion, one hundred one billion, two hundred eleven million, three hundred two thousand, eleven".