2002321101123 has 48 divisors (see below), whose sum is σ = 3368791895040. Its totient is φ = 1122389630208.

The previous prime is 2002321101049. The next prime is 2002321101139. The reversal of 2002321101123 is 3211011232002.

2002321101123 is a `hidden beast` number, since 200 + 232 + 110 + 1 + 123 = 666.

It is not a de Polignac number, because 2002321101123 - 2⁸ = 2002321100867 is a prime.

It is a super-2 number, since 2×2002321101123² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2002321101096 and 2002321101105.

It is not an unprimeable number, because it can be changed into a prime (2002321101323) 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 47 ways as a sum of consecutive naturals, for example, 16411 + ... + 2001227.

It is an arithmetic number, because the mean of its divisors is an integer number (70183164480).

Almost surely, 2^{2002321101123} is an apocalyptic number.

2002321101123 is a deficient number, since it is larger than the sum of its proper divisors (1366470793917).

2002321101123 is a wasteful number, since it uses less digits than its factorization.

2002321101123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985136 (or 1985133 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2002321101123 its reverse (3211011232002), we get a palindrome (5213332333125).

It can be divided in two parts, 2002 and 321101123, that multiplied together give a palindrome (642844448246).

The spelling of 2002321101123 in words is "two trillion, two billion, three hundred twenty-one million, one hundred one thousand, one hundred twenty-three".