11101220101011 has 16 divisors (see below), whose sum is σ = 15202336840704. Its totient is φ = 7200475909344.

The previous prime is 11101220100979. The next prime is 11101220101019. The reversal of 11101220101011 is 11010102210111.

11101220101011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11101220101011 - 2⁵ = 11101220100979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11101220101019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367120 + ... + 4726226.

It is an arithmetic number, because the mean of its divisors is an integer number (950146052544).

Almost surely, 2^{11101220101011} is an apocalyptic number.

11101220101011 is a deficient number, since it is larger than the sum of its proper divisors (4101116739693).

11101220101011 is a wasteful number, since it uses less digits than its factorization.

11101220101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382090.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11101220101011 its reverse (11010102210111), we get a palindrome (22111322311122).

The spelling of 11101220101011 in words is "eleven trillion, one hundred one billion, two hundred twenty million, one hundred one thousand, eleven".