220210220022221 has 16 divisors (see below), whose sum is σ = 259127811004608. Its totient is φ = 184492292476800.

The previous prime is 220210220022161. The next prime is 220210220022257. The reversal of 220210220022221 is 122220022012022.

It is not a de Polignac number, because 220210220022221 - 2²⁶ = 220210152913357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220210220022193 and 220210220022202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220210220022271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1247830415 + ... + 1248006876.

It is an arithmetic number, because the mean of its divisors is an integer number (16195488187788).

Almost surely, 2^{220210220022221} is an apocalyptic number.

It is an amenable number.

220210220022221 is a deficient number, since it is larger than the sum of its proper divisors (38917590982387).

220210220022221 is a wasteful number, since it uses less digits than its factorization.

220210220022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495837932.

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

Adding to 220210220022221 its reverse (122220022012022), we get a palindrome (342430242034243).

The spelling of 220210220022221 in words is "two hundred twenty trillion, two hundred ten billion, two hundred twenty million, twenty-two thousand, two hundred twenty-one".