221350501131315 has 8 divisors (see below), whose sum is σ = 354160801810128. Its totient is φ = 118053600603360.

The previous prime is 221350501131299. The next prime is 221350501131323. The reversal of 221350501131315 is 513131105053122.

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

It is not a de Polignac number, because 221350501131315 - 2⁴ = 221350501131299 is a prime.

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, 7378350037696 + ... + 7378350037725.

It is an arithmetic number, because the mean of its divisors is an integer number (44270100226266).

Almost surely, 2^{221350501131315} is an apocalyptic number.

221350501131315 is a deficient number, since it is larger than the sum of its proper divisors (132810300678813).

221350501131315 is a wasteful number, since it uses less digits than its factorization.

221350501131315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14756700075429.

The product of its (nonzero) digits is 13500, while the sum is 33.

Adding to 221350501131315 its reverse (513131105053122), we get a palindrome (734481606184437).

The spelling of 221350501131315 in words is "two hundred twenty-one trillion, three hundred fifty billion, five hundred one million, one hundred thirty-one thousand, three hundred fifteen".