1200010221011 has 16 divisors (see below), whose sum is σ = 1372788506880. Its totient is φ = 1027569322080.

The previous prime is 1200010220989. The next prime is 1200010221019. The reversal of 1200010221011 is 1101220100021.

It is not a de Polignac number, because 1200010221011 - 2¹⁰ = 1200010219987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200010220983 and 1200010221001.

It is not an unprimeable number, because it can be changed into a prime (1200010221019) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 65885696 + ... + 65903906.

It is an arithmetic number, because the mean of its divisors is an integer number (85799281680).

Almost surely, 2^{1200010221011} is an apocalyptic number.

1200010221011 is a deficient number, since it is larger than the sum of its proper divisors (172778285869).

1200010221011 is a wasteful number, since it uses less digits than its factorization.

1200010221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26954.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1200010221011 its reverse (1101220100021), we get a palindrome (2301230321032).

The spelling of 1200010221011 in words is "one trillion, two hundred billion, ten million, two hundred twenty-one thousand, eleven".