100940111 has 2 divisors, whose sum is σ = 100940112. Its totient is φ = 100940110.

The previous prime is 100940089. The next prime is 100940131. The reversal of 100940111 is 111049001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100940111 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100940111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100940131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50470055 + 50470056.

It is an arithmetic number, because the mean of its divisors is an integer number (50470056).

Almost surely, 2^100940111 is an apocalyptic number.

100940111 is a deficient number, since it is larger than the sum of its proper divisors (1).

100940111 is an equidigital number, since it uses as much as digits as its factorization.

100940111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 100940111 is about 10046.8955901811. The cubic root of 100940111 is about 465.6088851742.

Adding to 100940111 its reverse (111049001), we get a palindrome (211989112).

The spelling of 100940111 in words is "one hundred million, nine hundred forty thousand, one hundred eleven".