1120203220111 has 16 divisors (see below), whose sum is σ = 1158163256448. Its totient is φ = 1082805645600.

The previous prime is 1120203220109. The next prime is 1120203220117. The reversal of 1120203220111 is 1110223020211.

It is a cyclic number.

It is not a de Polignac number, because 1120203220111 - 2¹ = 1120203220109 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 (1120203220117) 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, 4342201 + ... + 4592941.

It is an arithmetic number, because the mean of its divisors is an integer number (72385203528).

Almost surely, 2^{1120203220111} is an apocalyptic number.

1120203220111 is a deficient number, since it is larger than the sum of its proper divisors (37960036337).

1120203220111 is a wasteful number, since it uses less digits than its factorization.

1120203220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251862.

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

Adding to 1120203220111 its reverse (1110223020211), we get a palindrome (2230426240322).

The spelling of 1120203220111 in words is "one trillion, one hundred twenty billion, two hundred three million, two hundred twenty thousand, one hundred eleven".