102000020111123 has 2 divisors, whose sum is σ = 102000020111124. Its totient is φ = 102000020111122.

The previous prime is 102000020111111. The next prime is 102000020111131. The reversal of 102000020111123 is 321111020000201.

It is a strong prime.

It is an emirp because it is prime and its reverse (321111020000201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102000020111123 - 2⁸ = 102000020110867 is a prime.

It is a super-2 number, since 2×102000020111123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102000020111098 and 102000020111107.

It is not a weakly prime, because it can be changed into another prime (102000020111723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000010055561 + 51000010055562.

It is an arithmetic number, because the mean of its divisors is an integer number (51000010055562).

Almost surely, 2^{102000020111123} is an apocalyptic number.

102000020111123 is a deficient number, since it is larger than the sum of its proper divisors (1).

102000020111123 is an equidigital number, since it uses as much as digits as its factorization.

102000020111123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 102000020111123 its reverse (321111020000201), we get a palindrome (423111040111324).

The spelling of 102000020111123 in words is "one hundred two trillion, twenty million, one hundred eleven thousand, one hundred twenty-three".