102220202123 has 12 divisors (see below), whose sum is σ = 110837258640. Its totient is φ = 94229999136.

The previous prime is 102220202069. The next prime is 102220202171. The reversal of 102220202123 is 321202022201.

It is not a de Polignac number, because 102220202123 - 2⁶ = 102220202059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102228202123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281468 + ... + 532601.

It is an arithmetic number, because the mean of its divisors is an integer number (9236438220).

Almost surely, 2^102220202123 is an apocalyptic number.

102220202123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102220202123 is a deficient number, since it is larger than the sum of its proper divisors (8617056517).

102220202123 is an equidigital number, since it uses as much as digits as its factorization.

102220202123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814838 (or 814825 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 102220202123 its reverse (321202022201), we get a palindrome (423422224324).

The spelling of 102220202123 in words is "one hundred two billion, two hundred twenty million, two hundred two thousand, one hundred twenty-three".