1002110020123 has 2 divisors, whose sum is σ = 1002110020124. Its totient is φ = 1002110020122.

The previous prime is 1002110020091. The next prime is 1002110020129. The reversal of 1002110020123 is 3210200112001.

1002110020123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002110020123 - 2⁵ = 1002110020091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002110020129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501055010061 + 501055010062.

It is an arithmetic number, because the mean of its divisors is an integer number (501055010062).

Almost surely, 2^{1002110020123} is an apocalyptic number.

1002110020123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002110020123 is an equidigital number, since it uses as much as digits as its factorization.

1002110020123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1002110020123 its reverse (3210200112001), we get a palindrome (4212310132124).

The spelling of 1002110020123 in words is "one trillion, two billion, one hundred ten million, twenty thousand, one hundred twenty-three".