1101303411021 has 16 divisors (see below), whose sum is σ = 1779884301120. Its totient is φ = 667456612560.

The previous prime is 1101303410993. The next prime is 1101303411041. The reversal of 1101303411021 is 1201143031011.

It is a happy number.

It is not a de Polignac number, because 1101303411021 - 2⁶ = 1101303410957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101303410985 and 1101303411003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101303411041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1854045850 + ... + 1854046443.

It is an arithmetic number, because the mean of its divisors is an integer number (111242768820).

Almost surely, 2^{1101303411021} is an apocalyptic number.

1101303411021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1101303411021 is a deficient number, since it is larger than the sum of its proper divisors (678580890099).

1101303411021 is a wasteful number, since it uses less digits than its factorization.

1101303411021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708092313 (or 3708092307 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1101303411021 its reverse (1201143031011), we get a palindrome (2302446442032).

The spelling of 1101303411021 in words is "one trillion, one hundred one billion, three hundred three million, four hundred eleven thousand, twenty-one".