221122200201 has 16 divisors (see below), whose sum is σ = 337156030848. Its totient is φ = 126277574400.

The previous prime is 221122200109. The next prime is 221122200217. The reversal of 221122200201 is 102002221122.

221122200201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221122200201 - 2²⁶ = 221055091337 is a prime.

It is a super-2 number, since 2×221122200201² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221122200281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3213840 + ... + 3281921.

It is an arithmetic number, because the mean of its divisors is an integer number (21072251928).

Almost surely, 2^221122200201 is an apocalyptic number.

221122200201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

221122200201 is a deficient number, since it is larger than the sum of its proper divisors (116033830647).

221122200201 is a wasteful number, since it uses less digits than its factorization.

221122200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6497392.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 221122200201 its reverse (102002221122), we get a palindrome (323124421323).

The spelling of 221122200201 in words is "two hundred twenty-one billion, one hundred twenty-two million, two hundred thousand, two hundred one".