1111109901 has 8 divisors (see below), whose sum is σ = 1616159904. Its totient is φ = 673399920.

The previous prime is 1111109899. The next prime is 1111109941. The reversal of 1111109901 is 1099011111.

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

It is not a de Polignac number, because 1111109901 - 2¹ = 1111109899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111109941) 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, 16834966 + ... + 16835031.

It is an arithmetic number, because the mean of its divisors is an integer number (202019988).

Almost surely, 2^1111109901 is an apocalyptic number.

1111109901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1111109901 is a deficient number, since it is larger than the sum of its proper divisors (505050003).

1111109901 is a wasteful number, since it uses less digits than its factorization.

1111109901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33670011.

The product of its (nonzero) digits is 81, while the sum is 24.

The square root of 1111109901 is about 33333.3151816617. The cubic root of 1111109901 is about 1035.7437926415.

The spelling of 1111109901 in words is "one billion, one hundred eleven million, one hundred nine thousand, nine hundred one".