221300750427745 has 32 divisors (see below), whose sum is σ = 276184834738560. Its totient is φ = 170112493985280.

The previous prime is 221300750427683. The next prime is 221300750427749. The reversal of 221300750427745 is 547724057003122.

It is not a de Polignac number, because 221300750427745 - 2²³ = 221300742039137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221300750427749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25583791 + ... + 33122980.

It is an arithmetic number, because the mean of its divisors is an integer number (8630776085580).

Almost surely, 2^{221300750427745} is an apocalyptic number.

It is an amenable number.

221300750427745 is a deficient number, since it is larger than the sum of its proper divisors (54884084310815).

221300750427745 is a wasteful number, since it uses less digits than its factorization.

221300750427745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58707105.

The product of its (nonzero) digits is 3292800, while the sum is 49.

The spelling of 221300750427745 in words is "two hundred twenty-one trillion, three hundred billion, seven hundred fifty million, four hundred twenty-seven thousand, seven hundred forty-five".