220000210010021 has 8 divisors (see below), whose sum is σ = 251430371408640. Its totient is φ = 188570438603568.

The previous prime is 220000210009961. The next prime is 220000210010069. The reversal of 220000210010021 is 120010012000022.

It is a happy number.

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

It is not a de Polignac number, because 220000210010021 - 2¹⁴ = 220000209993637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220000210009984 and 220000210010011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220000210016021) 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, 96288221 + ... + 98546546.

It is an arithmetic number, because the mean of its divisors is an integer number (31428796426080).

Almost surely, 2^{220000210010021} is an apocalyptic number.

It is an amenable number.

220000210010021 is a deficient number, since it is larger than the sum of its proper divisors (31430161398619).

220000210010021 is a wasteful number, since it uses less digits than its factorization.

220000210010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194996083.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220000210010021 its reverse (120010012000022), we get a palindrome (340010222010043).

The spelling of 220000210010021 in words is "two hundred twenty trillion, two hundred ten million, ten thousand, twenty-one".