1111000109101 has 2 divisors, whose sum is σ = 1111000109102. Its totient is φ = 1111000109100.

The previous prime is 1111000109099. The next prime is 1111000109113. The reversal of 1111000109101 is 1019010001111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1001340448900 + 109659660201 = 1000670^2 + 331149^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111000109101 - 2¹ = 1111000109099 is a prime.

Together with 1111000109099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111000109161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555500054550 + 555500054551.

It is an arithmetic number, because the mean of its divisors is an integer number (555500054551).

Almost surely, 2^{1111000109101} is an apocalyptic number.

It is an amenable number.

1111000109101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111000109101 is an equidigital number, since it uses as much as digits as its factorization.

1111000109101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 16.

The spelling of 1111000109101 in words is "one trillion, one hundred eleven billion, one hundred nine thousand, one hundred one".