12021111421333 has 12 divisors (see below), whose sum is σ = 14719728272160. Its totient is φ = 9761504010552.

The previous prime is 12021111421303. The next prime is 12021111421343. The reversal of 12021111421333 is 33312411112021.

It is not a de Polignac number, because 12021111421333 - 2⁹ = 12021111420821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12021111421298 and 12021111421307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021111421303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6456020241 + ... + 6456022102.

It is an arithmetic number, because the mean of its divisors is an integer number (1226644022680).

Almost surely, 2^{12021111421333} is an apocalyptic number.

It is an amenable number.

12021111421333 is a deficient number, since it is larger than the sum of its proper divisors (2698616850827).

12021111421333 is a wasteful number, since it uses less digits than its factorization.

12021111421333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12912042376 (or 12912042369 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 12021111421333 its reverse (33312411112021), we get a palindrome (45333522533354).

The spelling of 12021111421333 in words is "twelve trillion, twenty-one billion, one hundred eleven million, four hundred twenty-one thousand, three hundred thirty-three".