1200011102211 has 8 divisors (see below), whose sum is σ = 1626244554064. Its totient is φ = 786892525920.

The previous prime is 1200011102131. The next prime is 1200011102233. The reversal of 1200011102211 is 1122011100021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1200011102211 - 2¹³ = 1200011094019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200011102281) 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 7 ways as a sum of consecutive naturals, for example, 3278718676 + ... + 3278719041.

It is an arithmetic number, because the mean of its divisors is an integer number (203280569258).

Almost surely, 2^{1200011102211} is an apocalyptic number.

1200011102211 is a deficient number, since it is larger than the sum of its proper divisors (426233451853).

1200011102211 is an equidigital number, since it uses as much as digits as its factorization.

1200011102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6557437781.

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

Adding to 1200011102211 its reverse (1122011100021), we get a palindrome (2322022202232).

The spelling of 1200011102211 in words is "one trillion, two hundred billion, eleven million, one hundred two thousand, two hundred eleven".