110031213123109 has 2 divisors, whose sum is σ = 110031213123110. Its totient is φ = 110031213123108.

The previous prime is 110031213123077. The next prime is 110031213123127. The reversal of 110031213123109 is 901321312130011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74561446200609 + 35469766922500 = 8634897^2 + 5955650^2 .

It is a cyclic number.

It is not a de Polignac number, because 110031213123109 - 2⁵ = 110031213123077 is a prime.

It is a super-2 number, since 2×110031213123109² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110031213123179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55015606561554 + 55015606561555.

It is an arithmetic number, because the mean of its divisors is an integer number (55015606561555).

Almost surely, 2^{110031213123109} is an apocalyptic number.

It is an amenable number.

110031213123109 is a deficient number, since it is larger than the sum of its proper divisors (1).

110031213123109 is an equidigital number, since it uses as much as digits as its factorization.

110031213123109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 110031213123109 in words is "one hundred ten trillion, thirty-one billion, two hundred thirteen million, one hundred twenty-three thousand, one hundred nine".