12120221011101 has 8 divisors (see below), whose sum is σ = 18468908207424. Its totient is φ = 6925840577760.

The previous prime is 12120221011069. The next prime is 12120221011141. The reversal of 12120221011101 is 10111012202121.

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 12120221011101 - 2⁵ = 12120221011069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120221011141) 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, 288576690720 + ... + 288576690761.

It is an arithmetic number, because the mean of its divisors is an integer number (2308613525928).

Almost surely, 2^{12120221011101} is an apocalyptic number.

It is an amenable number.

12120221011101 is a deficient number, since it is larger than the sum of its proper divisors (6348687196323).

12120221011101 is an equidigital number, since it uses as much as digits as its factorization.

12120221011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577153381491.

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

Adding to 12120221011101 its reverse (10111012202121), we get a palindrome (22231233213222).

The spelling of 12120221011101 in words is "twelve trillion, one hundred twenty billion, two hundred twenty-one million, eleven thousand, one hundred one".