1209111011093 has 16 divisors (see below), whose sum is σ = 1257517320192. Its totient is φ = 1161325350000.

The previous prime is 1209111011081. The next prime is 1209111011107. The reversal of 1209111011093 is 3901101119021.

It is a cyclic number.

It is not a de Polignac number, because 1209111011093 - 2¹² = 1209111006997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1209111001093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1927478 + ... + 2476568.

It is an arithmetic number, because the mean of its divisors is an integer number (78594832512).

Almost surely, 2^{1209111011093} is an apocalyptic number.

It is an amenable number.

1209111011093 is a deficient number, since it is larger than the sum of its proper divisors (48406309099).

1209111011093 is a wasteful number, since it uses less digits than its factorization.

1209111011093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549656.

The product of its (nonzero) digits is 486, while the sum is 29.

The spelling of 1209111011093 in words is "one trillion, two hundred nine billion, one hundred eleven million, eleven thousand, ninety-three".