211020102200200 has 24 divisors (see below), whose sum is σ = 490621737615930. Its totient is φ = 84408040880000.

The previous prime is 211020102200191. The next prime is 211020102200291. The reversal of 211020102200200 is 2002201020112.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 95419802109636 + 115600300090564 = 9768306^2 + 10751758^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 527550255301 + ... + 527550255700.

Almost surely, 2^{211020102200200} is an apocalyptic number.

211020102200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211020102200200 is an abundant number, since it is smaller than the sum of its proper divisors (279601635415730).

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

211020102200200 is a wasteful number, since it uses less digits than its factorization.

211020102200200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055100511017 (or 1055100511008 counting only the distinct ones).

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

Adding to 211020102200200 its reverse (2002201020112), we get a palindrome (213022303220312).

The spelling of 211020102200200 in words is "two hundred eleven trillion, twenty billion, one hundred two million, two hundred thousand, two hundred".