128201113101 has 16 divisors (see below), whose sum is σ = 171827712000. Its totient is φ = 85021131888.

The previous prime is 128201113067. The next prime is 128201113123. The reversal of 128201113101 is 101311102821.

It is not a de Polignac number, because 128201113101 - 2²⁷ = 128066895373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128201113301) 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, 3491500 + ... + 3528026.

It is an arithmetic number, because the mean of its divisors is an integer number (10739232000).

Almost surely, 2^128201113101 is an apocalyptic number.

It is an amenable number.

128201113101 is a deficient number, since it is larger than the sum of its proper divisors (43626598899).

128201113101 is a wasteful number, since it uses less digits than its factorization.

128201113101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42608.

The product of its (nonzero) digits is 96, while the sum is 21.

Adding to 128201113101 its reverse (101311102821), we get a palindrome (229512215922).

The spelling of 128201113101 in words is "one hundred twenty-eight billion, two hundred one million, one hundred thirteen thousand, one hundred one".