1009111109102 has 16 divisors (see below), whose sum is σ = 1618266136032. Its totient is φ = 470265369600.

The previous prime is 1009111109101. The next prime is 1009111109117. The reversal of 1009111109102 is 2019011119001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009111109101) 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, 144072899 + ... + 144079902.

It is an arithmetic number, because the mean of its divisors is an integer number (101141633502).

Almost surely, 2^{1009111109102} is an apocalyptic number.

1009111109102 is a deficient number, since it is larger than the sum of its proper divisors (609155026930).

1009111109102 is a wasteful number, since it uses less digits than its factorization.

1009111109102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288152923.

The product of its (nonzero) digits is 162, while the sum is 26.

The spelling of 1009111109102 in words is "one trillion, nine billion, one hundred eleven million, one hundred nine thousand, one hundred two".