201121100221201 has 8 divisors (see below), whose sum is σ = 207882882144000. Its totient is φ = 194471083289040.

The previous prime is 201121100221133. The next prime is 201121100221231. The reversal of 201121100221201 is 102122001121102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201121100221201 - 2¹¹ = 201121100219153 is a prime.

It is a super-2 number, since 2×201121100221201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201121100221231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27941244001 + ... + 27941251198.

It is an arithmetic number, because the mean of its divisors is an integer number (25985360268000).

Almost surely, 2^{201121100221201} is an apocalyptic number.

It is an amenable number.

201121100221201 is a deficient number, since it is larger than the sum of its proper divisors (6761781922799).

201121100221201 is an equidigital number, since it uses as much as digits as its factorization.

201121100221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55882495319.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201121100221201 its reverse (102122001121102), we get a palindrome (303243101342303).

The spelling of 201121100221201 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred million, two hundred twenty-one thousand, two hundred one".