10212002102021 has 2 divisors, whose sum is σ = 10212002102022. Its totient is φ = 10212002102020.

The previous prime is 10212002101913. The next prime is 10212002102111. The reversal of 10212002102021 is 12020120021201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9616387060900 + 595615041121 = 3101030^2 + 771761^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212002102021 - 2²² = 10211997907717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10212002101987 and 10212002102005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212002104021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106001051010 + 5106001051011.

It is an arithmetic number, because the mean of its divisors is an integer number (5106001051011).

Almost surely, 2^{10212002102021} is an apocalyptic number.

It is an amenable number.

10212002102021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212002102021 is an equidigital number, since it uses as much as digits as its factorization.

10212002102021 is an odious number, because the sum of its binary digits is odd.

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

Adding to 10212002102021 its reverse (12020120021201), we get a palindrome (22232122123222).

The spelling of 10212002102021 in words is "ten trillion, two hundred twelve billion, two million, one hundred two thousand, twenty-one".