1101221011333 has 16 divisors (see below), whose sum is σ = 1178550244080. Its totient is φ = 1025344060416.

The previous prime is 1101221011327. The next prime is 1101221011349. The reversal of 1101221011333 is 3331101221011.

It can be written as a sum of positive squares in 8 ways, for example, as 293870241604 + 807350769729 = 542098^2 + 898527^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1101221011333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1101221011333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101221011393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289666 + ... + 1512067.

It is an arithmetic number, because the mean of its divisors is an integer number (73659390255).

Almost surely, 2^{1101221011333} is an apocalyptic number.

It is an amenable number.

1101221011333 is a deficient number, since it is larger than the sum of its proper divisors (77329232747).

1101221011333 is a wasteful number, since it uses less digits than its factorization.

1101221011333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802136.

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

Adding to 1101221011333 its reverse (3331101221011), we get a palindrome (4432322232344).

The spelling of 1101221011333 in words is "one trillion, one hundred one billion, two hundred twenty-one million, eleven thousand, three hundred thirty-three".