2210020022221 has 8 divisors (see below), whose sum is σ = 2421551777184. Its totient is φ = 2000258407920.

The previous prime is 2210020022179. The next prime is 2210020022239. The reversal of 2210020022221 is 1222200200122.

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 2210020022221 - 2³⁷ = 2072581068749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210020022195 and 2210020022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210020022281) 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, 442532550 + ... + 442537543.

It is an arithmetic number, because the mean of its divisors is an integer number (302693972148).

Almost surely, 2^{2210020022221} is an apocalyptic number.

It is an amenable number.

2210020022221 is a deficient number, since it is larger than the sum of its proper divisors (211531754963).

2210020022221 is a wasteful number, since it uses less digits than its factorization.

2210020022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885070331.

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

Adding to 2210020022221 its reverse (1222200200122), we get a palindrome (3432220222343).

The spelling of 2210020022221 in words is "two trillion, two hundred ten billion, twenty million, twenty-two thousand, two hundred twenty-one".