221237634201 has 8 divisors (see below), whose sum is σ = 295026223104. Its totient is φ = 147470400720.

The previous prime is 221237634193. The next prime is 221237634217. The reversal of 221237634201 is 102436732122.

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

It is not a de Polignac number, because 221237634201 - 2³ = 221237634193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221237639201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5314666 + ... + 5356131.

It is an arithmetic number, because the mean of its divisors is an integer number (36878277888).

Almost surely, 2^221237634201 is an apocalyptic number.

It is an amenable number.

221237634201 is a deficient number, since it is larger than the sum of its proper divisors (73788588903).

221237634201 is a wasteful number, since it uses less digits than its factorization.

221237634201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10677711.

The product of its (nonzero) digits is 24192, while the sum is 33.

The spelling of 221237634201 in words is "two hundred twenty-one billion, two hundred thirty-seven million, six hundred thirty-four thousand, two hundred one".