1200110110221 has 32 divisors (see below), whose sum is σ = 1847803921920. Its totient is φ = 685927166400.

The previous prime is 1200110110217. The next prime is 1200110110223. The reversal of 1200110110221 is 1220110110021.

It is not a de Polignac number, because 1200110110221 - 2² = 1200110110217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200110110197 and 1200110110206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200110110223) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 14540635 + ... + 14622936.

It is an arithmetic number, because the mean of its divisors is an integer number (57743872560).

Almost surely, 2^{1200110110221} is an apocalyptic number.

1200110110221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1200110110221 is a deficient number, since it is larger than the sum of its proper divisors (647693811699).

1200110110221 is a wasteful number, since it uses less digits than its factorization.

1200110110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29163657.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1200110110221 its reverse (1220110110021), we get a palindrome (2420220220242).

The spelling of 1200110110221 in words is "one trillion, two hundred billion, one hundred ten million, one hundred ten thousand, two hundred twenty-one".