3520124011021 has 4 divisors (see below), whose sum is σ = 3523538293344. Its totient is φ = 3516709728700.

The previous prime is 3520124011013. The next prime is 3520124011211. The reversal of 3520124011021 is 1201104210253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3520124011021 - 2³ = 3520124011013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3520124010983 and 3520124011001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520124011421) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1707139615 + ... + 1707141676.

It is an arithmetic number, because the mean of its divisors is an integer number (880884573336).

Almost surely, 2^{3520124011021} is an apocalyptic number.

It is an amenable number.

3520124011021 is a deficient number, since it is larger than the sum of its proper divisors (3414282323).

3520124011021 is a wasteful number, since it uses less digits than its factorization.

3520124011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414282322.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 3520124011021 its reverse (1201104210253), we get a palindrome (4721228221274).

The spelling of 3520124011021 in words is "three trillion, five hundred twenty billion, one hundred twenty-four million, eleven thousand, twenty-one".