12020211102121 has 8 divisors (see below), whose sum is σ = 12050699310720. Its totient is φ = 11989731467472.

The previous prime is 12020211102103. The next prime is 12020211102131. The reversal of 12020211102121 is 12120111202021.

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

It is a cyclic number.

It is not a de Polignac number, because 12020211102121 - 2¹⁹ = 12020210577833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12020211102095 and 12020211102104.

It is not an unprimeable number, because it can be changed into a prime (12020211102131) 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, 668631 + ... + 4948483.

It is an arithmetic number, because the mean of its divisors is an integer number (1506337413840).

Almost surely, 2^{12020211102121} is an apocalyptic number.

It is an amenable number.

12020211102121 is a deficient number, since it is larger than the sum of its proper divisors (30488208599).

12020211102121 is an equidigital number, since it uses as much as digits as its factorization.

12020211102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4286975.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12020211102121 its reverse (12120111202021), we get a palindrome (24140322304142).

The spelling of 12020211102121 in words is "twelve trillion, twenty billion, two hundred eleven million, one hundred two thousand, one hundred twenty-one".