1101121001311 has 2 divisors, whose sum is σ = 1101121001312. Its totient is φ = 1101121001310.

The previous prime is 1101121001303. The next prime is 1101121001339. The reversal of 1101121001311 is 1131001211011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101121001311 - 2³ = 1101121001303 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101121001291 and 1101121001300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101121001371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550560500655 + 550560500656.

It is an arithmetic number, because the mean of its divisors is an integer number (550560500656).

Almost surely, 2^{1101121001311} is an apocalyptic number.

1101121001311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101121001311 is an equidigital number, since it uses as much as digits as its factorization.

1101121001311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 1101121001311 its reverse (1131001211011), we get a palindrome (2232122212322).

The spelling of 1101121001311 in words is "one trillion, one hundred one billion, one hundred twenty-one million, one thousand, three hundred eleven".