100101120100123 has 4 divisors (see below), whose sum is σ = 100114997983408. Its totient is φ = 100087242216840.

The previous prime is 100101120100099. The next prime is 100101120100141. The reversal of 100101120100123 is 321001021101001.

It is a happy number.

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 100101120100123 - 2⁹ = 100101120099611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100101120800123) 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, 6938930823 + ... + 6938945248.

It is an arithmetic number, because the mean of its divisors is an integer number (25028749495852).

Almost surely, 2^{100101120100123} is an apocalyptic number.

100101120100123 is a deficient number, since it is larger than the sum of its proper divisors (13877883285).

100101120100123 is an equidigital number, since it uses as much as digits as its factorization.

100101120100123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13877883284.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 100101120100123 its reverse (321001021101001), we get a palindrome (421102141201124).

The spelling of 100101120100123 in words is "one hundred trillion, one hundred one billion, one hundred twenty million, one hundred thousand, one hundred twenty-three".