2011122111103 has 8 divisors (see below), whose sum is σ = 2298433915008. Its totient is φ = 1723812468504.

The previous prime is 2011122111091. The next prime is 2011122111133. The reversal of 2011122111103 is 3011112211102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2011122111103 - 2³⁷ = 1873683157631 is a prime.

It is a super-2 number, since 2×2011122111103² (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 (2011122111133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3000900 + ... + 3609382.

It is an arithmetic number, because the mean of its divisors is an integer number (287304239376).

Almost surely, 2^{2011122111103} is an apocalyptic number.

2011122111103 is a deficient number, since it is larger than the sum of its proper divisors (287311803905).

2011122111103 is an equidigital number, since it uses as much as digits as its factorization.

2011122111103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080653.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 2011122111103 its reverse (3011112211102), we get a palindrome (5022234322205).

Subtracting 2011122111103 from its reverse (3011112211102), we obtain a palindrome (999990099999).

The spelling of 2011122111103 in words is "two trillion, eleven billion, one hundred twenty-two million, one hundred eleven thousand, one hundred three".