3521123022044 has 24 divisors (see below), whose sum is σ = 6306984591600. Its totient is φ = 1719149733504.

The previous prime is 3521123022031. The next prime is 3521123022059. The reversal of 3521123022044 is 4402203211253.

It is a super-3 number, since 3×3521123022044³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3521123021998 and 3521123022016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2155019 + ... + 3418530.

It is an arithmetic number, because the mean of its divisors is an integer number (262791024650).

Almost surely, 2^{3521123022044} is an apocalyptic number.

It is an amenable number.

3521123022044 is a deficient number, since it is larger than the sum of its proper divisors (2785861569556).

3521123022044 is a wasteful number, since it uses less digits than its factorization.

3521123022044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5577269 (or 5577267 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 3521123022044 its reverse (4402203211253), we get a palindrome (7923326233297).

The spelling of 3521123022044 in words is "three trillion, five hundred twenty-one billion, one hundred twenty-three million, twenty-two thousand, forty-four".