3521420102145 has 32 divisors (see below), whose sum is σ = 6147619991424. Its totient is φ = 1707038182400.

The previous prime is 3521420102141. The next prime is 3521420102153. The reversal of 3521420102145 is 5412010241253.

3521420102145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3521420102145 - 2² = 3521420102141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3521420102141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1088826 + ... + 2868515.

It is an arithmetic number, because the mean of its divisors is an integer number (192113124732).

Almost surely, 2^{3521420102145} is an apocalyptic number.

It is an amenable number.

3521420102145 is a deficient number, since it is larger than the sum of its proper divisors (2626199889279).

3521420102145 is a wasteful number, since it uses less digits than its factorization.

3521420102145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962753.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 3521420102145 its reverse (5412010241253), we get a palindrome (8933430343398).

The spelling of 3521420102145 in words is "three trillion, five hundred twenty-one billion, four hundred twenty million, one hundred two thousand, one hundred forty-five".