102222221201 has 2 divisors, whose sum is σ = 102222221202. Its totient is φ = 102222221200.

The previous prime is 102222221089. The next prime is 102222221207. The reversal of 102222221201 is 102122222201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101985061201 + 237160000 = 319351^2 + 15400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102222221201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102222221201.

It is not a weakly prime, because it can be changed into another prime (102222221207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51111110600 + 51111110601.

It is an arithmetic number, because the mean of its divisors is an integer number (51111110601).

Almost surely, 2^102222221201 is an apocalyptic number.

It is an amenable number.

102222221201 is a deficient number, since it is larger than the sum of its proper divisors (1).

102222221201 is an equidigital number, since it uses as much as digits as its factorization.

102222221201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102222221201 its reverse (102122222201), we get a palindrome (204344443402).

The spelling of 102222221201 in words is "one hundred two billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred one".