2220012001021 has 8 divisors (see below), whose sum is σ = 2256553884800. Its totient is φ = 2183474899440.

The previous prime is 2220012001007. The next prime is 2220012001033. The reversal of 2220012001021 is 1201002100222.

It is a happy number.

2220012001021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2220012001021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220012000992 and 2220012001010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220012001121) 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, 253401 + ... + 2122318.

It is an arithmetic number, because the mean of its divisors is an integer number (282069235600).

Almost surely, 2^{2220012001021} is an apocalyptic number.

It is an amenable number.

2220012001021 is a deficient number, since it is larger than the sum of its proper divisors (36541883779).

2220012001021 is a wasteful number, since it uses less digits than its factorization.

2220012001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391099.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2220012001021 its reverse (1201002100222), we get a palindrome (3421014101243).

The spelling of 2220012001021 in words is "two trillion, two hundred twenty billion, twelve million, one thousand, twenty-one".