100001121099999 has 32 divisors (see below), whose sum is σ = 157379607588864. Its totient is φ = 55271549975040.

The previous prime is 100001121099991. The next prime is 100001121100163. The reversal of 100001121099999 is 999990121100001.

It is not a de Polignac number, because 100001121099999 - 2³ = 100001121099991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001121099991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38475594 + ... + 40992359.

It is an arithmetic number, because the mean of its divisors is an integer number (4918112737152).

Almost surely, 2^{100001121099999} is an apocalyptic number.

100001121099999 is a deficient number, since it is larger than the sum of its proper divisors (57378486488865).

100001121099999 is a wasteful number, since it uses less digits than its factorization.

100001121099999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79469927.

The product of its (nonzero) digits is 118098, while the sum is 51.

It can be divided in two parts, 10000112 and 1099999, that added together give a palindrome (11100111).

The spelling of 100001121099999 in words is "one hundred trillion, one billion, one hundred twenty-one million, ninety-nine thousand, nine hundred ninety-nine".