1103120220211 has 4 divisors (see below), whose sum is σ = 1106713445992. Its totient is φ = 1099526994432.

The previous prime is 1103120220193. The next prime is 1103120220287. The reversal of 1103120220211 is 1120220213011.

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 1103120220211 - 2⁹ = 1103120219699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103120220011) 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, 1796612430 + ... + 1796613043.

It is an arithmetic number, because the mean of its divisors is an integer number (276678361498).

Almost surely, 2^{1103120220211} is an apocalyptic number.

1103120220211 is a deficient number, since it is larger than the sum of its proper divisors (3593225781).

1103120220211 is an equidigital number, since it uses as much as digits as its factorization.

1103120220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593225780.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1103120220211 its reverse (1120220213011), we get a palindrome (2223340433222).

The spelling of 1103120220211 in words is "one trillion, one hundred three billion, one hundred twenty million, two hundred twenty thousand, two hundred eleven".