11103012011123 has 64 divisors (see below), whose sum is σ = 12394819584000. Its totient is φ = 9906307257600.

The previous prime is 11103012011083. The next prime is 11103012011129. The reversal of 11103012011123 is 32111021030111.

11103012011123 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 11103012011123 - 2⁴⁰ = 10003500383347 is a prime.

It is a super-2 number, since 2×11103012011123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11103012011129) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4682838128 + ... + 4682840498.

It is an arithmetic number, because the mean of its divisors is an integer number (193669056000).

Almost surely, 2^{11103012011123} is an apocalyptic number.

11103012011123 is a deficient number, since it is larger than the sum of its proper divisors (1291807572877).

11103012011123 is a wasteful number, since it uses less digits than its factorization.

11103012011123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 11103012011123 its reverse (32111021030111), we get a palindrome (43214033041234).

The spelling of 11103012011123 in words is "eleven trillion, one hundred three billion, twelve million, eleven thousand, one hundred twenty-three".