211211001111002 has 8 divisors (see below), whose sum is σ = 319953298713012. Its totient is φ = 104559901540000.

The previous prime is 211211001110971. The next prime is 211211001111029. The reversal of 211211001111002 is 200111100112112.

It can be written as a sum of positive squares in 2 ways, for example, as 197229750910201 + 13981250200801 = 14043851^2 + 3739151^2 .

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

It is a super-2 number, since 2×211211001111002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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, 522799507499 + ... + 522799507902.

Almost surely, 2^{211211001111002} is an apocalyptic number.

211211001111002 is a deficient number, since it is larger than the sum of its proper divisors (108742297602010).

211211001111002 is a wasteful number, since it uses less digits than its factorization.

211211001111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045599015504.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 211211001111002 its reverse (200111100112112), we get a palindrome (411322101223114).

The spelling of 211211001111002 in words is "two hundred eleven trillion, two hundred eleven billion, one million, one hundred eleven thousand, two".