221120201102001 has 8 divisors (see below), whose sum is σ = 299660163242304. Its totient is φ = 144996853181520.

The previous prime is 221120201101981. The next prime is 221120201102027. The reversal of 221120201102001 is 100201102021122.

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

It is not a de Polignac number, because 221120201102001 - 2⁷ = 221120201101873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221120201102201) 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, 604153554741 + ... + 604153555106.

It is an arithmetic number, because the mean of its divisors is an integer number (37457520405288).

Almost surely, 2^{221120201102001} is an apocalyptic number.

It is an amenable number.

221120201102001 is a deficient number, since it is larger than the sum of its proper divisors (78539962140303).

221120201102001 is a wasteful number, since it uses less digits than its factorization.

221120201102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208307109911.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221120201102001 its reverse (100201102021122), we get a palindrome (321321303123123).

The spelling of 221120201102001 in words is "two hundred twenty-one trillion, one hundred twenty billion, two hundred one million, one hundred two thousand, one".