102021001210201 has 2 divisors, whose sum is σ = 102021001210202. Its totient is φ = 102021001210200.

The previous prime is 102021001210153. The next prime is 102021001210207. The reversal of 102021001210201 is 102012100120201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100374850625625 + 1646150584576 = 10018725^2 + 1283024^2 .

It is a cyclic number.

It is not a de Polignac number, because 102021001210201 - 2⁹ = 102021001209689 is a prime.

It is not a weakly prime, because it can be changed into another prime (102021001210207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010500605100 + 51010500605101.

It is an arithmetic number, because the mean of its divisors is an integer number (51010500605101).

Almost surely, 2^{102021001210201} is an apocalyptic number.

It is an amenable number.

102021001210201 is a deficient number, since it is larger than the sum of its proper divisors (1).

102021001210201 is an equidigital number, since it uses as much as digits as its factorization.

102021001210201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102021001210201 its reverse (102012100120201), we get a palindrome (204033101330402).

The spelling of 102021001210201 in words is "one hundred two trillion, twenty-one billion, one million, two hundred ten thousand, two hundred one".