12212321101121 has 4 divisors (see below), whose sum is σ = 12384325623744. Its totient is φ = 12040316578500.

The previous prime is 12212321101091. The next prime is 12212321101129. The reversal of 12212321101121 is 12110112321221.

12212321101121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12212321101121 - 2¹⁴ = 12212321084737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12212321101093 and 12212321101102.

It is not an unprimeable number, because it can be changed into a prime (12212321101129) 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, 86002261205 + ... + 86002261346.

It is an arithmetic number, because the mean of its divisors is an integer number (3096081405936).

Almost surely, 2^{12212321101121} is an apocalyptic number.

It is an amenable number.

12212321101121 is a deficient number, since it is larger than the sum of its proper divisors (172004522623).

12212321101121 is an equidigital number, since it uses as much as digits as its factorization.

12212321101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172004522622.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 12212321101121 its reverse (12110112321221), we get a palindrome (24322433422342).

The spelling of 12212321101121 in words is "twelve trillion, two hundred twelve billion, three hundred twenty-one million, one hundred one thousand, one hundred twenty-one".