1101012211111 has 8 divisors (see below), whose sum is σ = 1182197039904. Its totient is φ = 1021651760640.

The previous prime is 1101012211097. The next prime is 1101012211127. The reversal of 1101012211111 is 1111122101011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101012211111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101012211091 and 1101012211100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101012211141) 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, 456093330 + ... + 456095743.

It is an arithmetic number, because the mean of its divisors is an integer number (147774629988).

Almost surely, 2^{1101012211111} is an apocalyptic number.

1101012211111 is a deficient number, since it is larger than the sum of its proper divisors (81184828793).

1101012211111 is an equidigital number, since it uses as much as digits as its factorization.

1101012211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912189161.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1101012211111 its reverse (1111122101011), we get a palindrome (2212134312122).

The spelling of 1101012211111 in words is "one trillion, one hundred one billion, twelve million, two hundred eleven thousand, one hundred eleven".