102001123323121 has 4 divisors (see below), whose sum is σ = 111273952716144. Its totient is φ = 92728293930100.

The previous prime is 102001123323049. The next prime is 102001123323131. The reversal of 102001123323121 is 121323321100201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102001123323121 - 2¹⁷ = 102001123192049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102001123323092 and 102001123323101.

It is not an unprimeable number, because it can be changed into a prime (102001123323131) 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, 4636414696495 + ... + 4636414696516.

It is an arithmetic number, because the mean of its divisors is an integer number (27818488179036).

Almost surely, 2^{102001123323121} is an apocalyptic number.

102001123323121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102001123323121 is a deficient number, since it is larger than the sum of its proper divisors (9272829393023).

102001123323121 is an equidigital number, since it uses as much as digits as its factorization.

102001123323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9272829393022.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 102001123323121 its reverse (121323321100201), we get a palindrome (223324444423322).

The spelling of 102001123323121 in words is "one hundred two trillion, one billion, one hundred twenty-three million, three hundred twenty-three thousand, one hundred twenty-one".