102000121223 has 96 divisors (see below), whose sum is σ = 142433883648. Its totient is φ = 71783712000.

The previous prime is 102000121187. The next prime is 102000121229. The reversal of 102000121223 is 322121000201.

It is a happy number.

It is not a de Polignac number, because 102000121223 - 2⁸ = 102000120967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102000121198 and 102000121207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102000121229) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 78400673 + ... + 78401973.

It is an arithmetic number, because the mean of its divisors is an integer number (1483686288).

Almost surely, 2^102000121223 is an apocalyptic number.

102000121223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102000121223 is a deficient number, since it is larger than the sum of its proper divisors (40433762425).

102000121223 is a wasteful number, since it uses less digits than its factorization.

102000121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573 (or 1566 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 102000121223 its reverse (322121000201), we get a palindrome (424121121424).

The spelling of 102000121223 in words is "one hundred two billion, one hundred twenty-one thousand, two hundred twenty-three".