10021120210021 has 8 divisors (see below), whose sum is σ = 10660885066944. Its totient is φ = 9386942819520.

The previous prime is 10021120210007. The next prime is 10021120210037. The reversal of 10021120210021 is 12001202112001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021120210021 is a prime.

It is a super-2 number, since 2×10021120210021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021120209983 and 10021120210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021120210001) 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 7 ways as a sum of consecutive naturals, for example, 1396862905 + ... + 1396870078.

It is an arithmetic number, because the mean of its divisors is an integer number (1332610633368).

Almost surely, 2^{10021120210021} is an apocalyptic number.

It is an amenable number.

10021120210021 is a deficient number, since it is larger than the sum of its proper divisors (639764856923).

10021120210021 is a wasteful number, since it uses less digits than its factorization.

10021120210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2793733211.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10021120210021 its reverse (12001202112001), we get a palindrome (22022322322022).

The spelling of 10021120210021 in words is "ten trillion, twenty-one billion, one hundred twenty million, two hundred ten thousand, twenty-one".