10212221201023 has 4 divisors (see below), whose sum is σ = 10235273619528. Its totient is φ = 10189168782520.

The previous prime is 10212221200997. The next prime is 10212221201057. The reversal of 10212221201023 is 32010212221201.

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 10212221201023 - 2⁵ = 10212221200991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212221201123) 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, 11526208588 + ... + 11526209473.

It is an arithmetic number, because the mean of its divisors is an integer number (2558818404882).

Almost surely, 2^{10212221201023} is an apocalyptic number.

10212221201023 is a deficient number, since it is larger than the sum of its proper divisors (23052418505).

10212221201023 is an equidigital number, since it uses as much as digits as its factorization.

10212221201023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23052418504.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10212221201023 its reverse (32010212221201), we get a palindrome (42222433422224).

The spelling of 10212221201023 in words is "ten trillion, two hundred twelve billion, two hundred twenty-one million, two hundred one thousand, twenty-three".