4221532131125 has 16 divisors (see below), whose sum is σ = 5268889866240. Its totient is φ = 3376957906000.

The previous prime is 4221532131073. The next prime is 4221532131137. The reversal of 4221532131125 is 5211312351224.

It is not a de Polignac number, because 4221532131125 - 2²⁶ = 4221465022261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4221532131091 and 4221532131100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251216 + ... + 2916534.

It is an arithmetic number, because the mean of its divisors is an integer number (329305616640).

Almost surely, 2^{4221532131125} is an apocalyptic number.

It is an amenable number.

4221532131125 is a deficient number, since it is larger than the sum of its proper divisors (1047357735115).

4221532131125 is a wasteful number, since it uses less digits than its factorization.

4221532131125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678005 (or 2677995 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

Adding to 4221532131125 its reverse (5211312351224), we get a palindrome (9432844482349).

The spelling of 4221532131125 in words is "four trillion, two hundred twenty-one billion, five hundred thirty-two million, one hundred thirty-one thousand, one hundred twenty-five".