101023123030121 has 4 divisors (see below), whose sum is σ = 101024006994000. Its totient is φ = 101022239066244.

The previous prime is 101023123030117. The next prime is 101023123030133. The reversal of 101023123030121 is 121030321320101.

It is a happy number.

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 101023123030121 - 2² = 101023123030117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101023123030093 and 101023123030102.

It is not an unprimeable number, because it can be changed into a prime (101023123033121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441810491 + ... + 442039088.

It is an arithmetic number, because the mean of its divisors is an integer number (25256001748500).

Almost surely, 2^{101023123030121} is an apocalyptic number.

It is an amenable number.

101023123030121 is a deficient number, since it is larger than the sum of its proper divisors (883963879).

101023123030121 is an equidigital number, since it uses as much as digits as its factorization.

101023123030121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883963878.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 101023123030121 its reverse (121030321320101), we get a palindrome (222053444350222).

The spelling of 101023123030121 in words is "one hundred one trillion, twenty-three billion, one hundred twenty-three million, thirty thousand, one hundred twenty-one".