10101101222021 has 2 divisors, whose sum is σ = 10101101222022. Its totient is φ = 10101101222020.

The previous prime is 10101101221979. The next prime is 10101101222027. The reversal of 10101101222021 is 12022210110101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8415284629921 + 1685816592100 = 2900911^2 + 1298390^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101101222021 - 2⁴² = 5703054710917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10101101221987 and 10101101222005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10101101222027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050550611010 + 5050550611011.

It is an arithmetic number, because the mean of its divisors is an integer number (5050550611011).

Almost surely, 2^{10101101222021} is an apocalyptic number.

It is an amenable number.

10101101222021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101101222021 is an equidigital number, since it uses as much as digits as its factorization.

10101101222021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10101101222021 its reverse (12022210110101), we get a palindrome (22123311332122).

The spelling of 10101101222021 in words is "ten trillion, one hundred one billion, one hundred one million, two hundred twenty-two thousand, twenty-one".