109891210011 has 16 divisors (see below), whose sum is σ = 164161809408. Its totient is φ = 64800712800.

The previous prime is 109891210003. The next prime is 109891210103. The reversal of 109891210011 is 110012198901.

It is not a de Polignac number, because 109891210011 - 2³ = 109891210003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (109891214011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44999275 + ... + 45001716.

It is an arithmetic number, because the mean of its divisors is an integer number (10260113088).

Almost surely, 2^109891210011 is an apocalyptic number.

109891210011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

109891210011 is a deficient number, since it is larger than the sum of its proper divisors (54270599397).

109891210011 is a wasteful number, since it uses less digits than its factorization.

109891210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90001042.

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

The spelling of 109891210011 in words is "one hundred nine billion, eight hundred ninety-one million, two hundred ten thousand, eleven".