111101097740249 has 2 divisors, whose sum is σ = 111101097740250. Its totient is φ = 111101097740248.

The previous prime is 111101097740239. The next prime is 111101097740293. The reversal of 111101097740249 is 942047790101111.

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., 76459162392649 + 34641935347600 = 8744093^2 + 5885740^2 .

It is a cyclic number.

It is not a de Polignac number, because 111101097740249 - 2³² = 111096802772953 is a prime.

It is a super-2 number, since 2×111101097740249² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111101097740239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550548870124 + 55550548870125.

It is an arithmetic number, because the mean of its divisors is an integer number (55550548870125).

Almost surely, 2^{111101097740249} is an apocalyptic number.

It is an amenable number.

111101097740249 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101097740249 is an equidigital number, since it uses as much as digits as its factorization.

111101097740249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 47.

The spelling of 111101097740249 in words is "one hundred eleven trillion, one hundred one billion, ninety-seven million, seven hundred forty thousand, two hundred forty-nine".