220201200121201 has 16 divisors (see below), whose sum is σ = 237184240384000. Its totient is φ = 203224518883008.

The previous prime is 220201200121193. The next prime is 220201200121223. The reversal of 220201200121201 is 102121002102022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 220201200121201 - 2³ = 220201200121193 is a prime.

It is a super-2 number, since 2×220201200121201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220201200121261) 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, 1606899355 + ... + 1607036383.

It is an arithmetic number, because the mean of its divisors is an integer number (14824015024000).

Almost surely, 2^{220201200121201} is an apocalyptic number.

It is an amenable number.

220201200121201 is a deficient number, since it is larger than the sum of its proper divisors (16983040262799).

220201200121201 is a wasteful number, since it uses less digits than its factorization.

220201200121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159328.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220201200121201 its reverse (102121002102022), we get a palindrome (322322202223223).

The spelling of 220201200121201 in words is "two hundred twenty trillion, two hundred one billion, two hundred million, one hundred twenty-one thousand, two hundred one".