3520101272225 has 12 divisors (see below), whose sum is σ = 4364956470144. Its totient is φ = 2816061087120.

The previous prime is 3520101272179. The next prime is 3520101272249. The reversal of 3520101272225 is 5222721010253.

It is a happy number.

It is not a de Polignac number, because 3520101272225 - 2⁶ = 3520101272161 is a prime.

It is a super-2 number, since 2×3520101272225² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3520101272191 and 3520101272200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3848132 + ... + 4674218.

It is an arithmetic number, because the mean of its divisors is an integer number (363746372512).

Almost surely, 2^{3520101272225} is an apocalyptic number.

It is an amenable number.

3520101272225 is a deficient number, since it is larger than the sum of its proper divisors (844855197919).

3520101272225 is a wasteful number, since it uses less digits than its factorization.

3520101272225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996544 (or 996539 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 3520101272225 its reverse (5222721010253), we get a palindrome (8742822282478).

The spelling of 3520101272225 in words is "three trillion, five hundred twenty billion, one hundred one million, two hundred seventy-two thousand, two hundred twenty-five".