1101221033311 has 12 divisors (see below), whose sum is σ = 1281105325368. Its totient is φ = 943835140752.

The previous prime is 1101221033251. The next prime is 1101221033351. The reversal of 1101221033311 is 1133301221011.

It is not a de Polignac number, because 1101221033311 - 2⁹ = 1101221032799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101221033351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129781 + ... + 1489726.

It is an arithmetic number, because the mean of its divisors is an integer number (106758777114).

Almost surely, 2^{1101221033311} is an apocalyptic number.

1101221033311 is a deficient number, since it is larger than the sum of its proper divisors (179884292057).

1101221033311 is a wasteful number, since it uses less digits than its factorization.

1101221033311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633398 (or 1633391 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1101221033311 its reverse (1133301221011), we get a palindrome (2234522254322).

The spelling of 1101221033311 in words is "one trillion, one hundred one billion, two hundred twenty-one million, thirty-three thousand, three hundred eleven".