2311101103109 has 2 divisors, whose sum is σ = 2311101103110. Its totient is φ = 2311101103108.

The previous prime is 2311101103093. The next prime is 2311101103141. The reversal of 2311101103109 is 9013011011132.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1417278345025 + 893822758084 = 1190495^2 + 945422^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311101103109 - 2⁴ = 2311101103093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311101103309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155550551554 + 1155550551555.

It is an arithmetic number, because the mean of its divisors is an integer number (1155550551555).

Almost surely, 2^{2311101103109} is an apocalyptic number.

It is an amenable number.

2311101103109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311101103109 is an equidigital number, since it uses as much as digits as its factorization.

2311101103109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 2311101103109 in words is "two trillion, three hundred eleven billion, one hundred one million, one hundred three thousand, one hundred nine".