220021201210 has 8 divisors (see below), whose sum is σ = 396038162196. Its totient is φ = 88008480480.

The previous prime is 220021201171. The next prime is 220021201243. The reversal of 220021201210 is 12102120022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 179439501609 + 40581699601 = 423603^2 + 201449^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11001060051 + ... + 11001060070.

Almost surely, 2^220021201210 is an apocalyptic number.

220021201210 is a deficient number, since it is larger than the sum of its proper divisors (176016960986).

220021201210 is a wasteful number, since it uses less digits than its factorization.

220021201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22002120128.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220021201210 its reverse (12102120022), we get a palindrome (232123321232).

The spelling of 220021201210 in words is "two hundred twenty billion, twenty-one million, two hundred one thousand, two hundred ten".