41251031221 has 8 divisors (see below), whose sum is σ = 41609361024. Its totient is φ = 40894026960.

The previous prime is 41251031219. The next prime is 41251031243. The reversal of 41251031221 is 12213015214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41251031221 - 2¹ = 41251031219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41251031192 and 41251031201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41251031621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268825 + ... + 393406.

It is an arithmetic number, because the mean of its divisors is an integer number (5201170128).

Almost surely, 2^41251031221 is an apocalyptic number.

It is an amenable number.

41251031221 is a deficient number, since it is larger than the sum of its proper divisors (358329803).

41251031221 is a wasteful number, since it uses less digits than its factorization.

41251031221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662771.

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

Adding to 41251031221 its reverse (12213015214), we get a palindrome (53464046435).

The spelling of 41251031221 in words is "forty-one billion, two hundred fifty-one million, thirty-one thousand, two hundred twenty-one".