111211210200010 has 16 divisors (see below), whose sum is σ = 201951684365256. Its totient is φ = 44090816078848.

The previous prime is 111211210200001. The next prime is 111211210200029. The reversal of 111211210200010 is 10002012112111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 28562365518129 + 82648844681881 = 5344377^2 + 9091141^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49208498959 + ... + 49208501218.

Almost surely, 2^{111211210200010} is an apocalyptic number.

111211210200010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111211210200010 is a deficient number, since it is larger than the sum of its proper divisors (90740474165246).

111211210200010 is a wasteful number, since it uses less digits than its factorization.

111211210200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98417000297.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111211210200010 its reverse (10002012112111), we get a palindrome (121213222312121).

The spelling of 111211210200010 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred ten million, two hundred thousand, ten".