1011109999999 has 8 divisors (see below), whose sum is σ = 1113950172240. Its totient is φ = 910090008000.

The previous prime is 1011109999973. The next prime is 1011110000009. The reversal of 1011109999999 is 9999999011101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011109999999 - 2²³ = 1011101611391 is a prime.

It is a Duffinian number.

1011109999999 is a modest number, since divided by 9999999 gives 101110 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011109991999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455043894 + ... + 455046115.

It is an arithmetic number, because the mean of its divisors is an integer number (139243771530).

Almost surely, 2^{1011109999999} is an apocalyptic number.

1011109999999 is a deficient number, since it is larger than the sum of its proper divisors (102840172241).

1011109999999 is a wasteful number, since it uses less digits than its factorization.

1011109999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910090121.

The product of its (nonzero) digits is 4782969, while the sum is 67.

The spelling of 1011109999999 in words is "one trillion, eleven billion, one hundred nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".