1011200010011 has 4 divisors (see below), whose sum is σ = 1011202788024. Its totient is φ = 1011197232000.

The previous prime is 1011200009951. The next prime is 1011200010013. The reversal of 1011200010011 is 1100100021101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011200010011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011200010013) 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 3 ways as a sum of consecutive naturals, for example, 742790 + ... + 1604411.

It is an arithmetic number, because the mean of its divisors is an integer number (252800697006).

Almost surely, 2^{1011200010011} is an apocalyptic number.

1011200010011 is a deficient number, since it is larger than the sum of its proper divisors (2778013).

1011200010011 is an equidigital number, since it uses as much as digits as its factorization.

1011200010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778012.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1011200010011 its reverse (1100100021101), we get a palindrome (2111300031112).

The spelling of 1011200010011 in words is "one trillion, eleven billion, two hundred million, ten thousand, eleven".