1200011211011 has 8 divisors (see below), whose sum is σ = 1208093299344. Its totient is φ = 1191955578880.

The previous prime is 1200011210987. The next prime is 1200011211013. The reversal of 1200011211011 is 1101121100021.

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

It is a cyclic number.

It is not a de Polignac number, because 1200011211011 - 2³⁴ = 1182831341827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200011210983 and 1200011211001.

It is not an unprimeable number, because it can be changed into a prime (1200011211013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6523025 + ... + 6704466.

It is an arithmetic number, because the mean of its divisors is an integer number (151011662418).

Almost surely, 2^{1200011211011} is an apocalyptic number.

1200011211011 is a deficient number, since it is larger than the sum of its proper divisors (8082088333).

1200011211011 is a wasteful number, since it uses less digits than its factorization.

1200011211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13228101.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1200011211011 its reverse (1101121100021), we get a palindrome (2301132311032).

The spelling of 1200011211011 in words is "one trillion, two hundred billion, eleven million, two hundred eleven thousand, eleven".