221201120022201 has 48 divisors (see below), whose sum is σ = 355978971279360. Its totient is φ = 131207636456160.

The previous prime is 221201120022193. The next prime is 221201120022247. The reversal of 221201120022201 is 102220021102122.

It is a happy number.

221201120022201 is a `hidden beast` number, since 221 + 20 + 1 + 1 + 200 + 2 + 220 + 1 = 666.

It is not a de Polignac number, because 221201120022201 - 2³ = 221201120022193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221201120022301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 710464480 + ... + 710775758.

It is an arithmetic number, because the mean of its divisors is an integer number (7416228568320).

Almost surely, 2^{221201120022201} is an apocalyptic number.

It is an amenable number.

221201120022201 is a deficient number, since it is larger than the sum of its proper divisors (134777851257159).

221201120022201 is a wasteful number, since it uses less digits than its factorization.

221201120022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464066 (or 464063 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 221201120022201 its reverse (102220021102122), we get a palindrome (323421141124323).

The spelling of 221201120022201 in words is "two hundred twenty-one trillion, two hundred one billion, one hundred twenty million, twenty-two thousand, two hundred one".