100102020121123 has 2 divisors, whose sum is σ = 100102020121124. Its totient is φ = 100102020121122.

The previous prime is 100102020121079. The next prime is 100102020121133. The reversal of 100102020121123 is 321121020201001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100102020121123 - 2³⁷ = 99964581167651 is a prime.

It is a super-2 number, since 2×100102020121123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100102020121097 and 100102020121106.

It is not a weakly prime, because it can be changed into another prime (100102020121133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50051010060561 + 50051010060562.

It is an arithmetic number, because the mean of its divisors is an integer number (50051010060562).

Almost surely, 2^{100102020121123} is an apocalyptic number.

100102020121123 is a deficient number, since it is larger than the sum of its proper divisors (1).

100102020121123 is an equidigital number, since it uses as much as digits as its factorization.

100102020121123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 100102020121123 its reverse (321121020201001), we get a palindrome (421223040322124).

The spelling of 100102020121123 in words is "one hundred trillion, one hundred two billion, twenty million, one hundred twenty-one thousand, one hundred twenty-three".