201101110989 has 32 divisors (see below), whose sum is σ = 293175527040. Its totient is φ = 122115796992.

The previous prime is 201101110979. The next prime is 201101111033. The reversal of 201101110989 is 989011101102.

It is not a de Polignac number, because 201101110989 - 2⁹ = 201101110477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101110909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181612 + ... + 659685.

It is an arithmetic number, because the mean of its divisors is an integer number (9161735220).

Almost surely, 2^201101110989 is an apocalyptic number.

It is an amenable number.

201101110989 is a deficient number, since it is larger than the sum of its proper divisors (92074416051).

201101110989 is a wasteful number, since it uses less digits than its factorization.

201101110989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841469.

The product of its (nonzero) digits is 1296, while the sum is 33.

The spelling of 201101110989 in words is "two hundred one billion, one hundred one million, one hundred ten thousand, nine hundred eighty-nine".