12110021221011 has 8 divisors (see below), whose sum is σ = 18453365670144. Its totient is φ = 6920012126280.

The previous prime is 12110021221003. The next prime is 12110021221021. The reversal of 12110021221011 is 11012212001121.

It is a happy number.

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

It is not a de Polignac number, because 12110021221011 - 2³ = 12110021221003 is a prime.

It is a super-2 number, since 2×12110021221011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12110021221021) 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, 288333838575 + ... + 288333838616.

It is an arithmetic number, because the mean of its divisors is an integer number (2306670708768).

Almost surely, 2^{12110021221011} is an apocalyptic number.

12110021221011 is a deficient number, since it is larger than the sum of its proper divisors (6343344449133).

12110021221011 is an equidigital number, since it uses as much as digits as its factorization.

12110021221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576667677201.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12110021221011 its reverse (11012212001121), we get a palindrome (23122233222132).

The spelling of 12110021221011 in words is "twelve trillion, one hundred ten billion, twenty-one million, two hundred twenty-one thousand, eleven".