241221322502156 has 24 divisors (see below), whose sum is σ = 424610450553744. Its totient is φ = 119905666027520.

The previous prime is 241221322502143. The next prime is 241221322502227. The reversal of 241221322502156 is 651205223122142.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201291170 + ... + 202485993.

It is an arithmetic number, because the mean of its divisors is an integer number (17692102106406).

Almost surely, 2^{241221322502156} is an apocalyptic number.

It is an amenable number.

241221322502156 is a deficient number, since it is larger than the sum of its proper divisors (183389128051588).

241221322502156 is a wasteful number, since it uses less digits than its factorization.

241221322502156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403778041 (or 403778039 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 241221322502156 its reverse (651205223122142), we get a palindrome (892426545624298).

The spelling of 241221322502156 in words is "two hundred forty-one trillion, two hundred twenty-one billion, three hundred twenty-two million, five hundred two thousand, one hundred fifty-six".