1120201211111 has 4 divisors (see below), whose sum is σ = 1121198719992. Its totient is φ = 1119203702232.

The previous prime is 1120201211053. The next prime is 1120201211131. The reversal of 1120201211111 is 1111121020211.

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 1120201211111 - 2¹⁴ = 1120201194727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120201211131) 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, 498752756 + ... + 498755001.

It is an arithmetic number, because the mean of its divisors is an integer number (280299679998).

Almost surely, 2^{1120201211111} is an apocalyptic number.

1120201211111 is a deficient number, since it is larger than the sum of its proper divisors (997508881).

1120201211111 is an equidigital number, since it uses as much as digits as its factorization.

1120201211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997508880.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1120201211111 its reverse (1111121020211), we get a palindrome (2231322231322).

The spelling of 1120201211111 in words is "one trillion, one hundred twenty billion, two hundred one million, two hundred eleven thousand, one hundred eleven".