1001120001109 has 2 divisors, whose sum is σ = 1001120001110. Its totient is φ = 1001120001108.

The previous prime is 1001120001107. The next prime is 1001120001137. The reversal of 1001120001109 is 9011000211001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 828482244100 + 172637757009 = 910210^2 + 415497^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001120001109 - 2¹ = 1001120001107 is a prime.

It is a super-2 number, since 2×1001120001109² (a number of 25 digits) contains 22 as substring.

Together with 1001120001107, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1001120001092 and 1001120001101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001120001107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500560000554 + 500560000555.

It is an arithmetic number, because the mean of its divisors is an integer number (500560000555).

Almost surely, 2^{1001120001109} is an apocalyptic number.

It is an amenable number.

1001120001109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001120001109 is an equidigital number, since it uses as much as digits as its factorization.

1001120001109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 16.

The spelling of 1001120001109 in words is "one trillion, one billion, one hundred twenty million, one thousand, one hundred nine".