11100420011 has 32 divisors (see below), whose sum is σ = 12534134400. Its totient is φ = 9774628864.

The previous prime is 11100420007. The next prime is 11100420013. The reversal of 11100420011 is 11002400111.

It is a cyclic number.

It is not a de Polignac number, because 11100420011 - 2² = 11100420007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100419974 and 11100420001.

It is not an unprimeable number, because it can be changed into a prime (11100420013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9304031 + ... + 9305223.

It is an arithmetic number, because the mean of its divisors is an integer number (391691700).

Almost surely, 2^11100420011 is an apocalyptic number.

11100420011 is a deficient number, since it is larger than the sum of its proper divisors (1433714389).

11100420011 is a wasteful number, since it uses less digits than its factorization.

11100420011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11100420011 its reverse (11002400111), we get a palindrome (22102820122).

The spelling of 11100420011 in words is "eleven billion, one hundred million, four hundred twenty thousand, eleven".