211201210020200 has 96 divisors (see below), whose sum is σ = 491768709788160. Its totient is φ = 84355624953600.

The previous prime is 211201210020187. The next prime is 211201210020211. The reversal of 211201210020200 is 2020012102112.

It is a super-2 number, since 2×211201210020200² (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 23 ways as a sum of consecutive naturals, for example, 1364915237 + ... + 1365069963.

It is an arithmetic number, because the mean of its divisors is an integer number (5122590726960).

Almost surely, 2^{211201210020200} is an apocalyptic number.

211201210020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211201210020200 is an abundant number, since it is smaller than the sum of its proper divisors (280567499767960).

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

211201210020200 is a wasteful number, since it uses less digits than its factorization.

211201210020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164787 (or 164778 counting only the distinct ones).

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

Adding to 211201210020200 its reverse (2020012102112), we get a palindrome (213221222122312).

The spelling of 211201210020200 in words is "two hundred eleven trillion, two hundred one billion, two hundred ten million, twenty thousand, two hundred".