1122002011 has 8 divisors (see below), whose sum is σ = 1208995424. Its totient is φ = 1035106560.

The previous prime is 1122002009. The next prime is 1122002017. The reversal of 1122002011 is 1102002211.

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

It is a cyclic number.

It is not a de Polignac number, because 1122002011 - 2¹ = 1122002009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122002017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235 + ... + 47371.

It is an arithmetic number, because the mean of its divisors is an integer number (151124428).

Almost surely, 2^1122002011 is an apocalyptic number.

1122002011 is a deficient number, since it is larger than the sum of its proper divisors (86993413).

1122002011 is a wasteful number, since it uses less digits than its factorization.

1122002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48981.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1122002011 is about 33496.2984671441. The cubic root of 1122002011 is about 1039.1172276604.

Adding to 1122002011 its reverse (1102002211), we get a palindrome (2224004222).

The spelling of 1122002011 in words is "one billion, one hundred twenty-two million, two thousand, eleven".