101023121003 has 6 divisors (see below), whose sum is σ = 117516691836. Its totient is φ = 86591246532.

The previous prime is 101023120981. The next prime is 101023121009. The reversal of 101023121003 is 300121320101.

It is not a de Polignac number, because 101023121003 - 2³⁶ = 32303644267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101023121009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1030848125 + ... + 1030848222.

It is an arithmetic number, because the mean of its divisors is an integer number (19586115306).

Almost surely, 2^101023121003 is an apocalyptic number.

101023121003 is a deficient number, since it is larger than the sum of its proper divisors (16493570833).

101023121003 is an equidigital number, since it uses as much as digits as its factorization.

101023121003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061696361 (or 2061696354 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 101023121003 its reverse (300121320101), we get a palindrome (401144441104).

The spelling of 101023121003 in words is "one hundred one billion, twenty-three million, one hundred twenty-one thousand, three".