2220210020221 has 12 divisors (see below), whose sum is σ = 2343995820000. Its totient is φ = 2102654483208.

The previous prime is 2220210020213. The next prime is 2220210020257. The reversal of 2220210020221 is 1220200120222.

It is not a de Polignac number, because 2220210020221 - 2³ = 2220210020213 is a prime.

It is a super-3 number, since 3×2220210020221³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220210020195 and 2220210020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220210020261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57270 + ... + 2108008.

It is an arithmetic number, because the mean of its divisors is an integer number (195332985000).

Almost surely, 2^{2220210020221} is an apocalyptic number.

It is an amenable number.

2220210020221 is a deficient number, since it is larger than the sum of its proper divisors (123785799779).

2220210020221 is a wasteful number, since it uses less digits than its factorization.

2220210020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053776 (or 2053757 counting only the distinct ones).

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

Adding to 2220210020221 its reverse (1220200120222), we get a palindrome (3440410140443).

The spelling of 2220210020221 in words is "two trillion, two hundred twenty billion, two hundred ten million, twenty thousand, two hundred twenty-one".