103111202121023 has 4 divisors (see below), whose sum is σ = 104074858215720. Its totient is φ = 102147546026328.

The previous prime is 103111202121001. The next prime is 103111202121061. The reversal of 103111202121023 is 320121202111301.

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 103111202121023 - 2¹⁴ = 103111202104639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103111202120986 and 103111202121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103111201121023) 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, 481828047188 + ... + 481828047401.

It is an arithmetic number, because the mean of its divisors is an integer number (26018714553930).

Almost surely, 2^{103111202121023} is an apocalyptic number.

103111202121023 is a deficient number, since it is larger than the sum of its proper divisors (963656094697).

103111202121023 is an equidigital number, since it uses as much as digits as its factorization.

103111202121023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963656094696.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 103111202121023 its reverse (320121202111301), we get a palindrome (423232404232324).

The spelling of 103111202121023 in words is "one hundred three trillion, one hundred eleven billion, two hundred two million, one hundred twenty-one thousand, twenty-three".