12002101201021 has 4 divisors (see below), whose sum is σ = 12114270371232. Its totient is φ = 11889932030812.

The previous prime is 12002101200979. The next prime is 12002101201031. The reversal of 12002101201021 is 12010210120021.

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 12002101201021 - 2⁷ = 12002101200893 is a prime.

It is a super-3 number, since 3×12002101201021³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12002101200992 and 12002101201010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002101201031) 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, 56084584945 + ... + 56084585158.

It is an arithmetic number, because the mean of its divisors is an integer number (3028567592808).

Almost surely, 2^{12002101201021} is an apocalyptic number.

It is an amenable number.

12002101201021 is a deficient number, since it is larger than the sum of its proper divisors (112169170211).

12002101201021 is a wasteful number, since it uses less digits than its factorization.

12002101201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112169170210.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12002101201021 its reverse (12010210120021), we get a palindrome (24012311321042).

The spelling of 12002101201021 in words is "twelve trillion, two billion, one hundred one million, two hundred one thousand, twenty-one".