1220011344333 has 6 divisors (see below), whose sum is σ = 1762238608494. Its totient is φ = 813340896216.

The previous prime is 1220011344323. The next prime is 1220011344397. The reversal of 1220011344333 is 3334431100221.

It is a happy number.

1220011344333 is a `hidden beast` number, since 1 + 2 + 200 + 1 + 13 + 443 + 3 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 918112745124 + 301898599209 = 958182^2 + 549453^2 .

It is not a de Polignac number, because 1220011344333 - 2¹² = 1220011340237 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1220011344297 and 1220011344306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220011344323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67778408010 + ... + 67778408027.

It is an arithmetic number, because the mean of its divisors is an integer number (293706434749).

Almost surely, 2^{1220011344333} is an apocalyptic number.

It is an amenable number.

1220011344333 is a deficient number, since it is larger than the sum of its proper divisors (542227264161).

1220011344333 is a wasteful number, since it uses less digits than its factorization.

1220011344333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135556816043 (or 135556816040 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1220011344333 its reverse (3334431100221), we get a palindrome (4554442444554).

The spelling of 1220011344333 in words is "one trillion, two hundred twenty billion, eleven million, three hundred forty-four thousand, three hundred thirty-three".