20002221101210 has 8 divisors (see below), whose sum is σ = 36003997982196. Its totient is φ = 8000888440480.

The previous prime is 20002221101173. The next prime is 20002221101227. The reversal of 20002221101210 is 1210112220002.

It can be written as a sum of positive squares in 2 ways, for example, as 19981695667921 + 20525433289 = 4470089^2 + 143267^2 .

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, 1000111055051 + ... + 1000111055070.

Almost surely, 2^{20002221101210} is an apocalyptic number.

20002221101210 is a deficient number, since it is larger than the sum of its proper divisors (16001776880986).

20002221101210 is a wasteful number, since it uses less digits than its factorization.

20002221101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000222110128.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20002221101210 its reverse (1210112220002), we get a palindrome (21212333321212).

The spelling of 20002221101210 in words is "twenty trillion, two billion, two hundred twenty-one million, one hundred one thousand, two hundred ten".