1011211010011 has 16 divisors (see below), whose sum is σ = 1041570085248. Its totient is φ = 981136281600.

The previous prime is 1011211010003. The next prime is 1011211010021. The reversal of 1011211010011 is 1100101121101.

It is a cyclic number.

It is not a de Polignac number, because 1011211010011 - 2³ = 1011211010003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011211010011.

It is not an unprimeable number, because it can be changed into a prime (1011211010021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6107131 + ... + 6270523.

It is an arithmetic number, because the mean of its divisors is an integer number (65098130328).

Almost surely, 2^{1011211010011} is an apocalyptic number.

1011211010011 is a deficient number, since it is larger than the sum of its proper divisors (30359075237).

1011211010011 is a wasteful number, since it uses less digits than its factorization.

1011211010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164262.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1011211010011 its reverse (1100101121101), we get a palindrome (2111312131112).

The spelling of 1011211010011 in words is "one trillion, eleven billion, two hundred eleven million, ten thousand, eleven".