211110021210002 has 8 divisors (see below), whose sum is σ = 319800329160012. Its totient is φ = 104509911490000.

The previous prime is 211110021209977. The next prime is 211110021210007. The reversal of 211110021210002 is 200012120011112.

It can be written as a sum of positive squares in 2 ways, for example, as 178713877928881 + 32396143281121 = 13368391^2 + 5691761^2 .

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

It is not an unprimeable number, because it can be changed into a prime (211110021210007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522549557249 + ... + 522549557652.

Almost surely, 2^{211110021210002} is an apocalyptic number.

211110021210002 is a deficient number, since it is larger than the sum of its proper divisors (108690307950010).

211110021210002 is a wasteful number, since it uses less digits than its factorization.

211110021210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045099115004.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211110021210002 its reverse (200012120011112), we get a palindrome (411122141221114).

The spelling of 211110021210002 in words is "two hundred eleven trillion, one hundred ten billion, twenty-one million, two hundred ten thousand, two".