2220122420021 has 8 divisors (see below), whose sum is σ = 2422063310304. Its totient is φ = 2018200126320.

The previous prime is 2220122420003. The next prime is 2220122420023. The reversal of 2220122420021 is 1200242210222.

2220122420021 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 not a de Polignac number, because 2220122420021 - 2²⁶ = 2220055311157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220122419975 and 2220122420002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220122420023) 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, 4398935 + ... + 4877588.

It is an arithmetic number, because the mean of its divisors is an integer number (302757913788).

Almost surely, 2^{2220122420021} is an apocalyptic number.

It is an amenable number.

2220122420021 is a deficient number, since it is larger than the sum of its proper divisors (201940890283).

2220122420021 is a wasteful number, since it uses less digits than its factorization.

2220122420021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9298291.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2220122420021 its reverse (1200242210222), we get a palindrome (3420364630243).

The spelling of 2220122420021 in words is "two trillion, two hundred twenty billion, one hundred twenty-two million, four hundred twenty thousand, twenty-one".