1120221111 has 8 divisors (see below), whose sum is σ = 1493800704. Its totient is φ = 746727800.

The previous prime is 1120221107. The next prime is 1120221119. The reversal of 1120221111 is 1111220211.

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 1120221111 - 2² = 1120221107 is a prime.

It is a super-4 number, since 4×1120221111⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120221119) 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 7 ways as a sum of consecutive naturals, for example, 20386 + ... + 51536.

It is an arithmetic number, because the mean of its divisors is an integer number (186725088).

Almost surely, 2^1120221111 is an apocalyptic number.

1120221111 is a deficient number, since it is larger than the sum of its proper divisors (373579593).

1120221111 is a wasteful number, since it uses less digits than its factorization.

1120221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43141.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1120221111 is about 33469.7043757485. The cubic root of 1120221111 is about 1038.5671562046.

Adding to 1120221111 its reverse (1111220211), we get a palindrome (2231441322).

The spelling of 1120221111 in words is "one billion, one hundred twenty million, two hundred twenty-one thousand, one hundred eleven".