12021133112021 has 16 divisors (see below), whose sum is σ = 13700487571200. Its totient is φ = 10446994824000.

The previous prime is 12021133111969. The next prime is 12021133112099.

12021133112021 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 12021133112021 - 2⁶ = 12021133111957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12021133111984 and 12021133112002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021133112921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186521261 + ... + 186585698.

It is an arithmetic number, because the mean of its divisors is an integer number (856280473200).

Almost surely, 2^{12021133112021} is an apocalyptic number.

12021133112021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12021133112021 is a deficient number, since it is larger than the sum of its proper divisors (1679354459179).

12021133112021 is a wasteful number, since it uses less digits than its factorization.

12021133112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373107100.

The product of its (nonzero) digits is 144, while the sum is 20.

It can be divided in two parts, 1202113 and 3112021, that added together give a palindrome (4314134).

The spelling of 12021133112021 in words is "twelve trillion, twenty-one billion, one hundred thirty-three million, one hundred twelve thousand, twenty-one".