10212101111023 has 4 divisors (see below), whose sum is σ = 11670972698320. Its totient is φ = 8753229523728.

The previous prime is 10212101110999. The next prime is 10212101111081. The reversal of 10212101111023 is 32011110121201.

It is a happy number.

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 10212101111023 - 2⁹ = 10212101110511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212101110988 and 10212101111006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212101111083) 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 in 3 ways as a sum of consecutive naturals, for example, 729435793638 + ... + 729435793651.

It is an arithmetic number, because the mean of its divisors is an integer number (2917743174580).

Almost surely, 2^{10212101111023} is an apocalyptic number.

10212101111023 is a deficient number, since it is larger than the sum of its proper divisors (1458871587297).

10212101111023 is an equidigital number, since it uses as much as digits as its factorization.

10212101111023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458871587296.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 10212101111023 its reverse (32011110121201), we get a palindrome (42223211232224).

The spelling of 10212101111023 in words is "ten trillion, two hundred twelve billion, one hundred one million, one hundred eleven thousand, twenty-three".