1011100222011 has 16 divisors (see below), whose sum is σ = 1475389941120. Its totient is φ = 610830217920.

The previous prime is 1011100222001. The next prime is 1011100222031. The reversal of 1011100222011 is 1102220011101.

It is not a de Polignac number, because 1011100222011 - 2¹⁸ = 1011099959867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011100222001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48934401 + ... + 48955058.

It is an arithmetic number, because the mean of its divisors is an integer number (92211871320).

Almost surely, 2^{1011100222011} is an apocalyptic number.

1011100222011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1011100222011 is a deficient number, since it is larger than the sum of its proper divisors (464289719109).

1011100222011 is a wasteful number, since it uses less digits than its factorization.

1011100222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97889786.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1011100222011 its reverse (1102220011101), we get a palindrome (2113320233112).

The spelling of 1011100222011 in words is "one trillion, eleven billion, one hundred million, two hundred twenty-two thousand, eleven".