211220001200200 has 48 divisors (see below), whose sum is σ = 491103195709680. Its totient is φ = 84485128580160.

The previous prime is 211220001200183. The next prime is 211220001200261. The reversal of 211220001200200 is 2002100022112.

It is a happy number.

It is a super-2 number, since 2×211220001200200² (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 (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12046054 + ... + 23823253.

It is an arithmetic number, because the mean of its divisors is an integer number (10231316577285).

Almost surely, 2^{211220001200200} is an apocalyptic number.

211220001200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211220001200200 is an abundant number, since it is smaller than the sum of its proper divisors (279883194509480).

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

211220001200200 is a wasteful number, since it uses less digits than its factorization.

211220001200200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35898766 (or 35898757 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 211220001200200 its reverse (2002100022112), we get a palindrome (213222101222312).

The spelling of 211220001200200 in words is "two hundred eleven trillion, two hundred twenty billion, one million, two hundred thousand, two hundred".