12021110011201 has 4 divisors (see below), whose sum is σ = 12435631046100. Its totient is φ = 11606588976304.

The previous prime is 12021110011193. The next prime is 12021110011237. The reversal of 12021110011201 is 10211001112021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7846133199025 + 4174976812176 = 2801095^2 + 2043276^2 .

It is a cyclic number.

It is not a de Polignac number, because 12021110011201 - 2³ = 12021110011193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021110011241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207260517406 + ... + 207260517463.

It is an arithmetic number, because the mean of its divisors is an integer number (3108907761525).

Almost surely, 2^{12021110011201} is an apocalyptic number.

It is an amenable number.

12021110011201 is a deficient number, since it is larger than the sum of its proper divisors (414521034899).

12021110011201 is an equidigital number, since it uses as much as digits as its factorization.

12021110011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414521034898.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12021110011201 its reverse (10211001112021), we get a palindrome (22232111123222).

The spelling of 12021110011201 in words is "twelve trillion, twenty-one billion, one hundred ten million, eleven thousand, two hundred one".