211200120020010 has 64 divisors (see below), whose sum is σ = 553024269932544. Its totient is φ = 51194107272000.

The previous prime is 211200120020009. The next prime is 211200120020093. The reversal of 211200120020010 is 10020021002112.

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, 34153566 + ... + 39860585.

It is an arithmetic number, because the mean of its divisors is an integer number (8641004217696).

Almost surely, 2^{211200120020010} is an apocalyptic number.

211200120020010 is an abundant number, since it is smaller than the sum of its proper divisors (341824149912534).

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

211200120020010 is a wasteful number, since it uses less digits than its factorization.

211200120020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74022819.

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

Adding to 211200120020010 its reverse (10020021002112), we get a palindrome (221220141022122).

The spelling of 211200120020010 in words is "two hundred eleven trillion, two hundred billion, one hundred twenty million, twenty thousand, ten".