211201220020010 has 64 divisors (see below), whose sum is σ = 415153834320384. Its totient is φ = 76720579291200.

The previous prime is 211201220019991. The next prime is 211201220020027. The reversal of 211201220020010 is 10020022102112.

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 31 ways as a sum of consecutive naturals, for example, 539868497 + ... + 540259563.

It is an arithmetic number, because the mean of its divisors is an integer number (6486778661256).

Almost surely, 2^{211201220020010} is an apocalyptic number.

211201220020010 is a deficient number, since it is larger than the sum of its proper divisors (203952614300374).

211201220020010 is a wasteful number, since it uses less digits than its factorization.

211201220020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396179.

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

Adding to 211201220020010 its reverse (10020022102112), we get a palindrome (221221242122122).

The spelling of 211201220020010 in words is "two hundred eleven trillion, two hundred one billion, two hundred twenty million, twenty thousand, ten".