201122230120221 has 16 divisors (see below), whose sum is σ = 270211177291968. Its totient is φ = 133057393622400.

The previous prime is 201122230120199. The next prime is 201122230120247. The reversal of 201122230120221 is 122021032221102.

It is not a de Polignac number, because 201122230120221 - 2¹⁹ = 201122229595933 is a prime.

It is a super-2 number, since 2×201122230120221² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122230120121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103344811 + ... + 105272951.

It is an arithmetic number, because the mean of its divisors is an integer number (16888198580748).

Almost surely, 2^{201122230120221} is an apocalyptic number.

It is an amenable number.

201122230120221 is a deficient number, since it is larger than the sum of its proper divisors (69088947171747).

201122230120221 is a wasteful number, since it uses less digits than its factorization.

201122230120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193692.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 201122230120221 its reverse (122021032221102), we get a palindrome (323143262341323).

The spelling of 201122230120221 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred thirty million, one hundred twenty thousand, two hundred twenty-one".