1011101055011 has 4 divisors (see below), whose sum is σ = 1020048852072. Its totient is φ = 1002153257952.

The previous prime is 1011101055007. The next prime is 1011101055047. The reversal of 1011101055011 is 1105501011101.

1011101055011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1011101055011 - 2² = 1011101055007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011101055001) 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, 4473898361 + ... + 4473898586.

It is an arithmetic number, because the mean of its divisors is an integer number (255012213018).

Almost surely, 2^{1011101055011} is an apocalyptic number.

1011101055011 is a deficient number, since it is larger than the sum of its proper divisors (8947797061).

1011101055011 is an equidigital number, since it uses as much as digits as its factorization.

1011101055011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8947797060.

The product of its (nonzero) digits is 25, while the sum is 17.

Adding to 1011101055011 its reverse (1105501011101), we get a palindrome (2116602066112).

The spelling of 1011101055011 in words is "one trillion, eleven billion, one hundred one million, fifty-five thousand, eleven".