12011210020221 has 8 divisors (see below), whose sum is σ = 16015008832320. Its totient is φ = 8007442277472.

The previous prime is 12011210020213. The next prime is 12011210020231. The reversal of 12011210020221 is 12202001211021.

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

It is not a de Polignac number, because 12011210020221 - 2³ = 12011210020213 is a prime.

It is a super-2 number, since 2×12011210020221² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12011210020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011210020231) 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, 6849801 + ... + 8422718.

It is an arithmetic number, because the mean of its divisors is an integer number (2001876104040).

Almost surely, 2^{12011210020221} is an apocalyptic number.

It is an amenable number.

12011210020221 is a deficient number, since it is larger than the sum of its proper divisors (4003798812099).

12011210020221 is a wasteful number, since it uses less digits than its factorization.

12011210020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15534675.

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

Adding to 12011210020221 its reverse (12202001211021), we get a palindrome (24213211231242).

The spelling of 12011210020221 in words is "twelve trillion, eleven billion, two hundred ten million, twenty thousand, two hundred twenty-one".