1011120103 has 12 divisors (see below), whose sum is σ = 1183079568. Its totient is φ = 846508320.

The previous prime is 1011120049. The next prime is 1011120113. The reversal of 1011120103 is 3010211101.

It is not a de Polignac number, because 1011120103 - 2²¹ = 1009022951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011120103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011120113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26118 + ... + 52003.

It is an arithmetic number, because the mean of its divisors is an integer number (98589964).

Almost surely, 2^1011120103 is an apocalyptic number.

1011120103 is a deficient number, since it is larger than the sum of its proper divisors (171959465).

1011120103 is an frugal number, since it uses more digits than its factorization.

1011120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78214 (or 78171 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1011120103 is about 31798.1147711621. The cubic root of 1011120103 is about 1003.6930456247.

Adding to 1011120103 its reverse (3010211101), we get a palindrome (4021331204).

The spelling of 1011120103 in words is "one billion, eleven million, one hundred twenty thousand, one hundred three".