103021123099 has 2 divisors, whose sum is σ = 103021123100. Its totient is φ = 103021123098.

The previous prime is 103021123061. The next prime is 103021123193. The reversal of 103021123099 is 990321120301.

It is a weak prime.

It is an emirp because it is prime and its reverse (990321120301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103021123099 is a prime.

It is a super-2 number, since 2×103021123099² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103021123099.

It is not a weakly prime, because it can be changed into another prime (103021163099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51510561549 + 51510561550.

It is an arithmetic number, because the mean of its divisors is an integer number (51510561550).

Almost surely, 2^103021123099 is an apocalyptic number.

103021123099 is a deficient number, since it is larger than the sum of its proper divisors (1).

103021123099 is an equidigital number, since it uses as much as digits as its factorization.

103021123099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 31.

The spelling of 103021123099 in words is "one hundred three billion, twenty-one million, one hundred twenty-three thousand, ninety-nine".