12201220021011 has 8 divisors (see below), whose sum is σ = 18592335270144. Its totient is φ = 6972125726280.

The previous prime is 12201220020989. The next prime is 12201220021031. The reversal of 12201220021011 is 11012002210221.

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

It is not a de Polignac number, because 12201220021011 - 2¹⁰ = 12201220019987 is a prime.

It is a super-2 number, since 2×12201220021011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12201220021031) 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, 290505238575 + ... + 290505238616.

It is an arithmetic number, because the mean of its divisors is an integer number (2324041908768).

Almost surely, 2^{12201220021011} is an apocalyptic number.

12201220021011 is a deficient number, since it is larger than the sum of its proper divisors (6391115249133).

12201220021011 is an equidigital number, since it uses as much as digits as its factorization.

12201220021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581010477201.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12201220021011 its reverse (11012002210221), we get a palindrome (23213222231232).

The spelling of 12201220021011 in words is "twelve trillion, two hundred one billion, two hundred twenty million, twenty-one thousand, eleven".