102021111202201 has 2 divisors, whose sum is σ = 102021111202202. Its totient is φ = 102021111202200.

The previous prime is 102021111202169. The next prime is 102021111202223. The reversal of 102021111202201 is 102202111120201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100044905040025 + 1976206162176 = 10002245^2 + 1405776^2 .

It is an emirp because it is prime and its reverse (102202111120201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102021111202201 - 2⁵ = 102021111202169 is a prime.

It is not a weakly prime, because it can be changed into another prime (102021111202271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010555601100 + 51010555601101.

It is an arithmetic number, because the mean of its divisors is an integer number (51010555601101).

Almost surely, 2^{102021111202201} is an apocalyptic number.

It is an amenable number.

102021111202201 is a deficient number, since it is larger than the sum of its proper divisors (1).

102021111202201 is an equidigital number, since it uses as much as digits as its factorization.

102021111202201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102021111202201 its reverse (102202111120201), we get a palindrome (204223222322402).

The spelling of 102021111202201 in words is "one hundred two trillion, twenty-one billion, one hundred eleven million, two hundred two thousand, two hundred one".