10021210110021 has 32 divisors (see below), whose sum is σ = 14935476326400. Its totient is φ = 5923878652800.

The previous prime is 10021210109951. The next prime is 10021210110059. The reversal of 10021210110021 is 12001101212001.

10021210110021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10021210110021 - 2⁹ = 10021210109509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10021210109979 and 10021210110006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021210110221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4642476 + ... + 6449418.

It is an arithmetic number, because the mean of its divisors is an integer number (466733635200).

Almost surely, 2^{10021210110021} is an apocalyptic number.

10021210110021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10021210110021 is a deficient number, since it is larger than the sum of its proper divisors (4914266216379).

10021210110021 is a wasteful number, since it uses less digits than its factorization.

10021210110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811097.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10021210110021 its reverse (12001101212001), we get a palindrome (22022311322022).

The spelling of 10021210110021 in words is "ten trillion, twenty-one billion, two hundred ten million, one hundred ten thousand, twenty-one".