220010222021 has 8 divisors (see below), whose sum is σ = 230121204864. Its totient is φ = 209944682640.

The previous prime is 220010222009. The next prime is 220010222023. The reversal of 220010222021 is 120222010022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220010222021 - 2¹⁸ = 220009959877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220010221987 and 220010222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220010222023) 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, 11350961 + ... + 11370326.

It is an arithmetic number, because the mean of its divisors is an integer number (28765150608).

Almost surely, 2^220010222021 is an apocalyptic number.

It is an amenable number.

220010222021 is a deficient number, since it is larger than the sum of its proper divisors (10110982843).

220010222021 is a wasteful number, since it uses less digits than its factorization.

220010222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22721731.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220010222021 its reverse (120222010022), we get a palindrome (340232232043).

The spelling of 220010222021 in words is "two hundred twenty billion, ten million, two hundred twenty-two thousand, twenty-one".