102210121201 has 2 divisors, whose sum is σ = 102210121202. Its totient is φ = 102210121200.

The previous prime is 102210121193. The next prime is 102210121259. The reversal of 102210121201 is 102121012201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71116088976 + 31094032225 = 266676^2 + 176335^2 .

It is a cyclic number.

It is not a de Polignac number, because 102210121201 - 2³ = 102210121193 is a prime.

It is a super-3 number, since 3×102210121201³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (102210121271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51105060600 + 51105060601.

It is an arithmetic number, because the mean of its divisors is an integer number (51105060601).

Almost surely, 2^102210121201 is an apocalyptic number.

It is an amenable number.

102210121201 is a deficient number, since it is larger than the sum of its proper divisors (1).

102210121201 is an equidigital number, since it uses as much as digits as its factorization.

102210121201 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 13.

Adding to 102210121201 its reverse (102121012201), we get a palindrome (204331133402).

The spelling of 102210121201 in words is "one hundred two billion, two hundred ten million, one hundred twenty-one thousand, two hundred one".