221022201001 has 8 divisors (see below), whose sum is σ = 252600011264. Its totient is φ = 189445193280.

The previous prime is 221022200983. The next prime is 221022201047. The reversal of 221022201001 is 100102220122.

It is a happy number.

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

It is not a de Polignac number, because 221022201001 - 2⁹ = 221022200489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221022001001) 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, 605416 + ... + 899206.

It is an arithmetic number, because the mean of its divisors is an integer number (31575001408).

Almost surely, 2^221022201001 is an apocalyptic number.

It is an amenable number.

221022201001 is a deficient number, since it is larger than the sum of its proper divisors (31577810263).

221022201001 is a wasteful number, since it uses less digits than its factorization.

221022201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401271.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 221022201001 its reverse (100102220122), we get a palindrome (321124421123).

The spelling of 221022201001 in words is "two hundred twenty-one billion, twenty-two million, two hundred one thousand, one".