106202626021 has 2 divisors, whose sum is σ = 106202626022. Its totient is φ = 106202626020.

The previous prime is 106202626009. The next prime is 106202626067. The reversal of 106202626021 is 120626202601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64394645121 + 41807980900 = 253761^2 + 204470^2 .

It is a cyclic number.

It is not a de Polignac number, because 106202626021 - 2⁹ = 106202625509 is a prime.

It is a super-2 number, since 2×106202626021² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106202627021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53101313010 + 53101313011.

It is an arithmetic number, because the mean of its divisors is an integer number (53101313011).

Almost surely, 2^106202626021 is an apocalyptic number.

It is an amenable number.

106202626021 is a deficient number, since it is larger than the sum of its proper divisors (1).

106202626021 is an equidigital number, since it uses as much as digits as its factorization.

106202626021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 106202626021 its reverse (120626202601), we get a palindrome (226828828622).

The spelling of 106202626021 in words is "one hundred six billion, two hundred two million, six hundred twenty-six thousand, twenty-one".