1012102111023 has 4 divisors (see below), whose sum is σ = 1349469481368. Its totient is φ = 674734740680.

The previous prime is 1012102111001. The next prime is 1012102111051. The reversal of 1012102111023 is 3201112012101.

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 1012102111023 - 2¹⁰ = 1012102109999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012102110993 and 1012102111011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012102110023) 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, 168683685168 + ... + 168683685173.

It is an arithmetic number, because the mean of its divisors is an integer number (337367370342).

Almost surely, 2^{1012102111023} is an apocalyptic number.

1012102111023 is a deficient number, since it is larger than the sum of its proper divisors (337367370345).

1012102111023 is an equidigital number, since it uses as much as digits as its factorization.

1012102111023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337367370344.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1012102111023 its reverse (3201112012101), we get a palindrome (4213214123124).

The spelling of 1012102111023 in words is "one trillion, twelve billion, one hundred two million, one hundred eleven thousand, twenty-three".