11011221111004 has 24 divisors (see below), whose sum is σ = 19276575333120. Its totient is φ = 5503628531184.

The previous prime is 11011221110987. The next prime is 11011221111041. The reversal of 11011221111004 is 40011112211011.

It is a happy number.

11011221111004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135300477 + ... + 135381835.

It is an arithmetic number, because the mean of its divisors is an integer number (803190638880).

Almost surely, 2^{11011221111004} is an apocalyptic number.

It is an amenable number.

11011221111004 is a deficient number, since it is larger than the sum of its proper divisors (8265354222116).

11011221111004 is a wasteful number, since it uses less digits than its factorization.

11011221111004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93129 (or 93127 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11011221111004 its reverse (40011112211011), we get a palindrome (51022333322015).

It can be divided in two parts, 11011221 and 111004, that added together give a square (11122225 = 3335²).

The spelling of 11011221111004 in words is "eleven trillion, eleven billion, two hundred twenty-one million, one hundred eleven thousand, four".