1122001112011 has 16 divisors (see below), whose sum is σ = 1216107244800. Its totient is φ = 1029014778528.

The previous prime is 1122001112003. The next prime is 1122001112017. The reversal of 1122001112011 is 1102111002211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1122001112011 - 2³ = 1122001112003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122001111982 and 1122001112000.

It is not an unprimeable number, because it can be changed into a prime (1122001112017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4612020 + ... + 4849198.

It is an arithmetic number, because the mean of its divisors is an integer number (76006702800).

Almost surely, 2^{1122001112011} is an apocalyptic number.

1122001112011 is a deficient number, since it is larger than the sum of its proper divisors (94106132789).

1122001112011 is a wasteful number, since it uses less digits than its factorization.

1122001112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239538.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1122001112011 its reverse (1102111002211), we get a palindrome (2224112114222).

The spelling of 1122001112011 in words is "one trillion, one hundred twenty-two billion, one million, one hundred twelve thousand, eleven".