102200211032021 has 2 divisors, whose sum is σ = 102200211032022. Its totient is φ = 102200211032020.

The previous prime is 102200211031999. The next prime is 102200211032033. The reversal of 102200211032021 is 120230112002201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77157092455921 + 25043118576100 = 8783911^2 + 5004310^2 .

It is an emirp because it is prime and its reverse (120230112002201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102200211032021 - 2¹⁰ = 102200211030997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102200210032021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100105516010 + 51100105516011.

It is an arithmetic number, because the mean of its divisors is an integer number (51100105516011).

Almost surely, 2^{102200211032021} is an apocalyptic number.

It is an amenable number.

102200211032021 is a deficient number, since it is larger than the sum of its proper divisors (1).

102200211032021 is an equidigital number, since it uses as much as digits as its factorization.

102200211032021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 102200211032021 its reverse (120230112002201), we get a palindrome (222430323034222).

The spelling of 102200211032021 in words is "one hundred two trillion, two hundred billion, two hundred eleven million, thirty-two thousand, twenty-one".