10220010212021 has 4 divisors (see below), whose sum is σ = 10321198432044. Its totient is φ = 10118821992000.

The previous prime is 10220010211993. The next prime is 10220010212207. The reversal of 10220010212021 is 12021201002201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6890257504900 + 3329752707121 = 2624930^2 + 1824761^2 .

It is a cyclic number.

It is not a de Polignac number, because 10220010212021 - 2²² = 10220006017717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10220010211987 and 10220010212005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220010202021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50594109860 + ... + 50594110061.

It is an arithmetic number, because the mean of its divisors is an integer number (2580299608011).

Almost surely, 2^{10220010212021} is an apocalyptic number.

It is an amenable number.

10220010212021 is a deficient number, since it is larger than the sum of its proper divisors (101188220023).

10220010212021 is a wasteful number, since it uses less digits than its factorization.

10220010212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101188220022.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10220010212021 its reverse (12021201002201), we get a palindrome (22241211214222).

The spelling of 10220010212021 in words is "ten trillion, two hundred twenty billion, ten million, two hundred twelve thousand, twenty-one".