1102011220111 has 2 divisors, whose sum is σ = 1102011220112. Its totient is φ = 1102011220110.

The previous prime is 1102011220109. The next prime is 1102011220151. The reversal of 1102011220111 is 1110221102011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1102011220111 - 2¹ = 1102011220109 is a prime.

Together with 1102011220109, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1102011220091 and 1102011220100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102011220151) 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 as a sum of consecutive naturals, namely, 551005610055 + 551005610056.

It is an arithmetic number, because the mean of its divisors is an integer number (551005610056).

Almost surely, 2^{1102011220111} is an apocalyptic number.

1102011220111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102011220111 is an equidigital number, since it uses as much as digits as its factorization.

1102011220111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1102011220111 its reverse (1110221102011), we get a palindrome (2212232322122).

The spelling of 1102011220111 in words is "one trillion, one hundred two billion, eleven million, two hundred twenty thousand, one hundred eleven".