1120122011 has 4 divisors (see below), whose sum is σ = 1168822992. Its totient is φ = 1071421032.

The previous prime is 1120121963. The next prime is 1120122019. The reversal of 1120122011 is 1102210211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1120122011 - 2¹⁰ = 1120120987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120121983 and 1120122001.

It is not an unprimeable number, because it can be changed into a prime (1120122019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24350456 + ... + 24350501.

It is an arithmetic number, because the mean of its divisors is an integer number (292205748).

Almost surely, 2^1120122011 is an apocalyptic number.

1120122011 is a deficient number, since it is larger than the sum of its proper divisors (48700981).

1120122011 is an equidigital number, since it uses as much as digits as its factorization.

1120122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48700980.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1120122011 is about 33468.2238996933. The cubic root of 1120122011 is about 1038.5365297984.

Adding to 1120122011 its reverse (1102210211), we get a palindrome (2222332222).

The spelling of 1120122011 in words is "one billion, one hundred twenty million, one hundred twenty-two thousand, eleven".