102210212020123 has 2 divisors, whose sum is σ = 102210212020124. Its totient is φ = 102210212020122.

The previous prime is 102210212020067. The next prime is 102210212020171. The reversal of 102210212020123 is 321020212012201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102210212020123 - 2⁹ = 102210212019611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102210212020123.

It is not a weakly prime, because it can be changed into another prime (102210212020523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51105106010061 + 51105106010062.

It is an arithmetic number, because the mean of its divisors is an integer number (51105106010062).

Almost surely, 2^{102210212020123} is an apocalyptic number.

102210212020123 is a deficient number, since it is larger than the sum of its proper divisors (1).

102210212020123 is an equidigital number, since it uses as much as digits as its factorization.

102210212020123 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 102210212020123 its reverse (321020212012201), we get a palindrome (423230424032324).

The spelling of 102210212020123 in words is "one hundred two trillion, two hundred ten billion, two hundred twelve million, twenty thousand, one hundred twenty-three".