10210000022021 has 16 divisors (see below), whose sum is σ = 10488501943920. Its totient is φ = 9932914475520.

The previous prime is 10210000022003. The next prime is 10210000022071. The reversal of 10210000022021 is 12022000001201.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 849643341121 + 9360356680900 = 921761^2 + 3059470^2 .

It is not a de Polignac number, because 10210000022021 - 2¹⁴ = 10210000005637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210000021993 and 10210000022011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210000022071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66222995 + ... + 66376991.

It is an arithmetic number, because the mean of its divisors is an integer number (655531371495).

Almost surely, 2^{10210000022021} is an apocalyptic number.

It is an amenable number.

10210000022021 is a deficient number, since it is larger than the sum of its proper divisors (278501921899).

10210000022021 is a wasteful number, since it uses less digits than its factorization.

10210000022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158584.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10210000022021 its reverse (12022000001201), we get a palindrome (22232000023222).

The spelling of 10210000022021 in words is "ten trillion, two hundred ten billion, twenty-two thousand, twenty-one".