100011113121023 has 4 divisors (see below), whose sum is σ = 107704275668808. Its totient is φ = 92317950573240.

The previous prime is 100011113121019. The next prime is 100011113121107. The reversal of 100011113121023 is 320121311110001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100011113121023 - 2² = 100011113121019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100011113120992 and 100011113121010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100011113124023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3846581273873 + ... + 3846581273898.

It is an arithmetic number, because the mean of its divisors is an integer number (26926068917202).

Almost surely, 2^{100011113121023} is an apocalyptic number.

100011113121023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100011113121023 is a deficient number, since it is larger than the sum of its proper divisors (7693162547785).

100011113121023 is an equidigital number, since it uses as much as digits as its factorization.

100011113121023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7693162547784.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 100011113121023 its reverse (320121311110001), we get a palindrome (420132424231024).

The spelling of 100011113121023 in words is "one hundred trillion, eleven billion, one hundred thirteen million, one hundred twenty-one thousand, twenty-three".