1101233330021 has 12 divisors (see below), whose sum is σ = 1213691767596. Its totient is φ = 998437197120.

The previous prime is 1101233330011. The next prime is 1101233330047. The reversal of 1101233330021 is 1200333321011.

It can be written as a sum of positive squares in 2 ways, for example, as 374458324900 + 726775005121 = 611930^2 + 852511^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1101233330021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101233329975 and 1101233330002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101233330011) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 12154736 + ... + 12245001.

It is an arithmetic number, because the mean of its divisors is an integer number (101140980633).

Almost surely, 2^{1101233330021} is an apocalyptic number.

1101233330021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1101233330021 is a deficient number, since it is larger than the sum of its proper divisors (112458437575).

1101233330021 is a wasteful number, since it uses less digits than its factorization.

1101233330021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24400132 (or 24400121 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1101233330021 its reverse (1200333321011), we get a palindrome (2301566651032).

The spelling of 1101233330021 in words is "one trillion, one hundred one billion, two hundred thirty-three million, three hundred thirty thousand, twenty-one".