220122121212201 has 64 divisors (see below), whose sum is σ = 319964479591680. Its totient is φ = 133802053632000.

The previous prime is 220122121212193. The next prime is 220122121212229. The reversal of 220122121212201 is 102212121221022.

It is not a de Polignac number, because 220122121212201 - 2³ = 220122121212193 is a prime.

It is a super-3 number, since 3×220122121212201³ (a number of 44 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220122121412201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2562227835 + ... + 2562313743.

It is an arithmetic number, because the mean of its divisors is an integer number (4999444993620).

Almost surely, 2^{220122121212201} is an apocalyptic number.

It is an amenable number.

220122121212201 is a deficient number, since it is larger than the sum of its proper divisors (99842358379479).

220122121212201 is a wasteful number, since it uses less digits than its factorization.

220122121212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88378.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 220122121212201 its reverse (102212121221022), we get a palindrome (322334242433223).

The spelling of 220122121212201 in words is "two hundred twenty trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred twelve thousand, two hundred one".