1121102011 has 16 divisors (see below), whose sum is σ = 1238860800. Its totient is φ = 1010383200.

The previous prime is 1121101997. The next prime is 1121102033. The reversal of 1121102011 is 1102011211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121102011 is a prime.

1121102011 is a modest number, since divided by 102011 gives 1121 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1121102051) 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, 18621 + ... + 50881.

It is an arithmetic number, because the mean of its divisors is an integer number (77428800).

Almost surely, 2^1121102011 is an apocalyptic number.

1121102011 is a deficient number, since it is larger than the sum of its proper divisors (117758789).

1121102011 is a wasteful number, since it uses less digits than its factorization.

1121102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32370.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1121102011 is about 33482.8614517935. The cubic root of 1121102011 is about 1038.8393150061.

Adding to 1121102011 its reverse (1102011211), we get a palindrome (2223113222).

The spelling of 1121102011 in words is "one billion, one hundred twenty-one million, one hundred two thousand, eleven".