211001000221002 has 16 divisors (see below), whose sum is σ = 422002182524832. Its totient is φ = 70333636393200.

The previous prime is 211001000220991. The next prime is 211001000221153. The reversal of 211001000221002 is 200122000100112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10968877 + ... + 23287727.

It is an arithmetic number, because the mean of its divisors is an integer number (26375136407802).

Almost surely, 2^{211001000221002} is an apocalyptic number.

211001000221002 is an abundant number, since it is smaller than the sum of its proper divisors (211001182303830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211001000221002 is a wasteful number, since it uses less digits than its factorization.

211001000221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15173573.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211001000221002 its reverse (200122000100112), we get a palindrome (411123000321114).

The spelling of 211001000221002 in words is "two hundred eleven trillion, one billion, two hundred twenty-one thousand, two".