101423101121 has 4 divisors (see below), whose sum is σ = 101432074452. Its totient is φ = 101414127792.

The previous prime is 101423101103. The next prime is 101423101123. The reversal of 101423101121 is 121101324101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121101324101 = 17417 ⋅6953053.

It can be written as a sum of positive squares in 2 ways, for example, as 54726052096 + 46697049025 = 233936^2 + 216095^2 .

It is a cyclic number.

It is not a de Polignac number, because 101423101121 - 2⁶ = 101423101057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101423101121.

It is not an unprimeable number, because it can be changed into a prime (101423101123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4469690 + ... + 4492323.

It is an arithmetic number, because the mean of its divisors is an integer number (25358018613).

Almost surely, 2^101423101121 is an apocalyptic number.

It is an amenable number.

101423101121 is a deficient number, since it is larger than the sum of its proper divisors (8973331).

101423101121 is an equidigital number, since it uses as much as digits as its factorization.

101423101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8973330.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 101423101121 its reverse (121101324101), we get a palindrome (222524425222).

The spelling of 101423101121 in words is "one hundred one billion, four hundred twenty-three million, one hundred one thousand, one hundred twenty-one".