2220220210021 has 8 divisors (see below), whose sum is σ = 2422782101664. Its totient is φ = 2017778933520.

The previous prime is 2220220209979. The next prime is 2220220210079. The reversal of 2220220210021 is 1200120220222.

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 2220220210021 - 2⁹ = 2220220209509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220220209977 and 2220220210004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220220213021) 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, 30115290 + ... + 30188923.

It is an arithmetic number, because the mean of its divisors is an integer number (302847762708).

Almost surely, 2^{2220220210021} is an apocalyptic number.

It is an amenable number.

2220220210021 is a deficient number, since it is larger than the sum of its proper divisors (202561891643).

2220220210021 is a wasteful number, since it uses less digits than its factorization.

2220220210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60307571.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2220220210021 its reverse (1200120220222), we get a palindrome (3420340430243).

The spelling of 2220220210021 in words is "two trillion, two hundred twenty billion, two hundred twenty million, two hundred ten thousand, twenty-one".