111100100113109 has 2 divisors, whose sum is σ = 111100100113110. Its totient is φ = 111100100113108.

The previous prime is 111100100113103. The next prime is 111100100113117. The reversal of 111100100113109 is 901311001001111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94612155626884 + 16487944486225 = 9726878^2 + 4060535^2 .

It is a cyclic number.

It is not a de Polignac number, because 111100100113109 - 2³² = 111095805145813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111100100113103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550050056554 + 55550050056555.

It is an arithmetic number, because the mean of its divisors is an integer number (55550050056555).

Almost surely, 2^{111100100113109} is an apocalyptic number.

It is an amenable number.

111100100113109 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100100113109 is an equidigital number, since it uses as much as digits as its factorization.

111100100113109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 20.

The spelling of 111100100113109 in words is "one hundred eleven trillion, one hundred billion, one hundred million, one hundred thirteen thousand, one hundred nine".