10212102011021 has 4 divisors (see below), whose sum is σ = 10249785044544. Its totient is φ = 10174418977500.

The previous prime is 10212102010969. The next prime is 10212102011039. The reversal of 10212102011021 is 12011020121201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10212102011021 - 2³⁸ = 9937224104077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212102010987 and 10212102011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212102011821) 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, 18841516355 + ... + 18841516896.

It is an arithmetic number, because the mean of its divisors is an integer number (2562446261136).

Almost surely, 2^{10212102011021} is an apocalyptic number.

It is an amenable number.

10212102011021 is a deficient number, since it is larger than the sum of its proper divisors (37683033523).

10212102011021 is an equidigital number, since it uses as much as digits as its factorization.

10212102011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37683033522.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10212102011021 its reverse (12011020121201), we get a palindrome (22223122132222).

The spelling of 10212102011021 in words is "ten trillion, two hundred twelve billion, one hundred two million, eleven thousand, twenty-one".