1010020210123 has 2 divisors, whose sum is σ = 1010020210124. Its totient is φ = 1010020210122.

The previous prime is 1010020210099. The next prime is 1010020210169. The reversal of 1010020210123 is 3210120200101.

It is a weak prime.

It is an emirp because it is prime and its reverse (3210120200101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1010020210123 - 2⁵ = 1010020210091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010020210523) 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 as a sum of consecutive naturals, namely, 505010105061 + 505010105062.

It is an arithmetic number, because the mean of its divisors is an integer number (505010105062).

Almost surely, 2^{1010020210123} is an apocalyptic number.

1010020210123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010020210123 is an equidigital number, since it uses as much as digits as its factorization.

1010020210123 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1010020210123 its reverse (3210120200101), we get a palindrome (4220140410224).

The spelling of 1010020210123 in words is "one trillion, ten billion, twenty million, two hundred ten thousand, one hundred twenty-three".