2220143110021 has 4 divisors (see below), whose sum is σ = 2235043399500. Its totient is φ = 2205242820544.

The previous prime is 2220143110013. The next prime is 2220143110037. The reversal of 2220143110021 is 1200113410222.

2220143110021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1478865159396 + 741277950625 = 1216086^2 + 860975^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220143110021 - 2³ = 2220143110013 is a prime.

It is a super-2 number, since 2×2220143110021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220143110001) 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, 7450144516 + ... + 7450144813.

It is an arithmetic number, because the mean of its divisors is an integer number (558760849875).

Almost surely, 2^{2220143110021} is an apocalyptic number.

It is an amenable number.

2220143110021 is a deficient number, since it is larger than the sum of its proper divisors (14900289479).

2220143110021 is a wasteful number, since it uses less digits than its factorization.

2220143110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14900289478.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2220143110021 its reverse (1200113410222), we get a palindrome (3420256520243).

The spelling of 2220143110021 in words is "two trillion, two hundred twenty billion, one hundred forty-three million, one hundred ten thousand, twenty-one".