1112001011 has 24 divisors (see below), whose sum is σ = 1299622800. Its totient is φ = 948024000.

The previous prime is 1112001001. The next prime is 1112001029. The reversal of 1112001011 is 1101002111.

It is a happy number.

It is not a de Polignac number, because 1112001011 - 2⁶ = 1112000947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1112001011.

It is not an unprimeable number, because it can be changed into a prime (1112001001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229805 + ... + 234593.

It is an arithmetic number, because the mean of its divisors is an integer number (54150950).

Almost surely, 2^1112001011 is an apocalyptic number.

1112001011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1112001011 is a deficient number, since it is larger than the sum of its proper divisors (187621789).

1112001011 is a wasteful number, since it uses less digits than its factorization.

1112001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931 (or 4920 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 1112001011 is about 33346.6791600003. The cubic root of 1112001011 is about 1036.0206074497.

Adding to 1112001011 its reverse (1101002111), we get a palindrome (2213003122).

It can be divided in two parts, 111200 and 1011, that added together give a palindrome (112211).

The spelling of 1112001011 in words is "one billion, one hundred twelve million, one thousand, eleven".