1101120212111 has 4 divisors (see below), whose sum is σ = 1165891989312. Its totient is φ = 1036348434912.

The previous prime is 1101120212081. The next prime is 1101120212119. The reversal of 1101120212111 is 1112120211011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101120212111 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 (1101120212119) 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, 32385888575 + ... + 32385888608.

It is an arithmetic number, because the mean of its divisors is an integer number (291472997328).

Almost surely, 2^{1101120212111} is an apocalyptic number.

1101120212111 is a deficient number, since it is larger than the sum of its proper divisors (64771777201).

1101120212111 is an equidigital number, since it uses as much as digits as its factorization.

1101120212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64771777200.

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

Adding to 1101120212111 its reverse (1112120211011), we get a palindrome (2213240423122).

The spelling of 1101120212111 in words is "one trillion, one hundred one billion, one hundred twenty million, two hundred twelve thousand, one hundred eleven".