1101211110011 has 4 divisors (see below), whose sum is σ = 1104798117192. Its totient is φ = 1097624102832.

The previous prime is 1101211110007. The next prime is 1101211110037. The reversal of 1101211110011 is 1100111121011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1101211110011 - 2² = 1101211110007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101211109974 and 1101211110001.

It is not an unprimeable number, because it can be changed into a prime (1101211170011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1793503130 + ... + 1793503743.

It is an arithmetic number, because the mean of its divisors is an integer number (276199529298).

Almost surely, 2^{1101211110011} is an apocalyptic number.

1101211110011 is a deficient number, since it is larger than the sum of its proper divisors (3587007181).

1101211110011 is an equidigital number, since it uses as much as digits as its factorization.

1101211110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3587007180.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1101211110011 its reverse (1100111121011), we get a palindrome (2201322231022).

It can be divided in two parts, 1101 and 211110011, that added together give a palindrome (211111112).

The spelling of 1101211110011 in words is "one trillion, one hundred one billion, two hundred eleven million, one hundred ten thousand, eleven".