102203221220101 has 2 divisors, whose sum is σ = 102203221220102. Its totient is φ = 102203221220100.

The previous prime is 102203221220059. The next prime is 102203221220129. The reversal of 102203221220101 is 101022122302201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97440569697601 + 4762651522500 = 9871199^2 + 2182350^2 .

It is a cyclic number.

It is not a de Polignac number, because 102203221220101 - 2¹³ = 102203221211909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102203221220171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51101610610050 + 51101610610051.

It is an arithmetic number, because the mean of its divisors is an integer number (51101610610051).

Almost surely, 2^{102203221220101} is an apocalyptic number.

It is an amenable number.

102203221220101 is a deficient number, since it is larger than the sum of its proper divisors (1).

102203221220101 is an equidigital number, since it uses as much as digits as its factorization.

102203221220101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 102203221220101 its reverse (101022122302201), we get a palindrome (203225343522302).

The spelling of 102203221220101 in words is "one hundred two trillion, two hundred three billion, two hundred twenty-one million, two hundred twenty thousand, one hundred one".