1113022011 has 16 divisors (see below), whose sum is σ = 1572148224. Its totient is φ = 698001024.

The previous prime is 1113022007. The next prime is 1113022013. The reversal of 1113022011 is 1102203111.

It is not a de Polignac number, because 1113022011 - 2² = 1113022007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113022013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119070 + ... + 128076.

It is an arithmetic number, because the mean of its divisors is an integer number (98259264).

Almost surely, 2^1113022011 is an apocalyptic number.

1113022011 is a deficient number, since it is larger than the sum of its proper divisors (459126213).

1113022011 is a wasteful number, since it uses less digits than its factorization.

1113022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11450.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1113022011 is about 33361.9845183107. The cubic root of 1113022011 is about 1036.3375896158.

Adding to 1113022011 its reverse (1102203111), we get a palindrome (2215225122).

It can be divided in two parts, 111302 and 2011, that multiplied together give a palindrome (223828322).

The spelling of 1113022011 in words is "one billion, one hundred thirteen million, twenty-two thousand, eleven".