2011012223103 has 64 divisors (see below), whose sum is σ = 3287257344000. Its totient is φ = 1207410841728.

The previous prime is 2011012223089. The next prime is 2011012223131. The reversal of 2011012223103 is 3013222101102.

2011012223103 is a `hidden beast` number, since 20 + 110 + 1 + 222 + 310 + 3 = 666.

It is not a de Polignac number, because 2011012223103 - 2⁵ = 2011012223071 is a prime.

It is a super-2 number, since 2×2011012223103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011012223183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3027978 + ... + 3631896.

It is an arithmetic number, because the mean of its divisors is an integer number (51363396000).

Almost surely, 2^{2011012223103} is an apocalyptic number.

2011012223103 is a deficient number, since it is larger than the sum of its proper divisors (1276245120897).

2011012223103 is a wasteful number, since it uses less digits than its factorization.

2011012223103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604173 (or 604167 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2011012223103 its reverse (3013222101102), we get a palindrome (5024234324205).

The spelling of 2011012223103 in words is "two trillion, eleven billion, twelve million, two hundred twenty-three thousand, one hundred three".