1133221021012 has 6 divisors (see below), whose sum is σ = 1983136786778. Its totient is φ = 566610510504.

The previous prime is 1133221020959. The next prime is 1133221021067. The reversal of 1133221021012 is 2101201223311.

It can be written as a sum of positive squares in only one way, i.e., 1068300019396 + 64921001616 = 1033586^2 + 254796^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141652627623 + ... + 141652627630.

Almost surely, 2^{1133221021012} is an apocalyptic number.

It is an amenable number.

1133221021012 is a deficient number, since it is larger than the sum of its proper divisors (849915765766).

1133221021012 is a wasteful number, since it uses less digits than its factorization.

1133221021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283305255257 (or 283305255255 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1133221021012 its reverse (2101201223311), we get a palindrome (3234422244323).

The spelling of 1133221021012 in words is "one trillion, one hundred thirty-three billion, two hundred twenty-one million, twenty-one thousand, twelve".