102210020093 has 2 divisors, whose sum is σ = 102210020094. Its totient is φ = 102210020092.

The previous prime is 102210020089. The next prime is 102210020111. The reversal of 102210020093 is 390020012201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55449417529 + 46760602564 = 235477^2 + 216242^2 .

It is a cyclic number.

It is not a de Polignac number, because 102210020093 - 2² = 102210020089 is a prime.

It is a super-2 number, since 2×102210020093² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102210020083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51105010046 + 51105010047.

It is an arithmetic number, because the mean of its divisors is an integer number (51105010047).

Almost surely, 2^102210020093 is an apocalyptic number.

It is an amenable number.

102210020093 is a deficient number, since it is larger than the sum of its proper divisors (1).

102210020093 is an equidigital number, since it uses as much as digits as its factorization.

102210020093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 102210020093 its reverse (390020012201), we get a palindrome (492230032294).

The spelling of 102210020093 in words is "one hundred two billion, two hundred ten million, twenty thousand, ninety-three".