103021402049 has 2 divisors, whose sum is σ = 103021402050. Its totient is φ = 103021402048.

The previous prime is 103021402009. The next prime is 103021402051. The reversal of 103021402049 is 940204120301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60680932225 + 42340469824 = 246335^2 + 205768^2 .

It is a cyclic number.

It is not a de Polignac number, because 103021402049 - 2³⁶ = 34301925313 is a prime.

It is a super-2 number, since 2×103021402049² (a number of 23 digits) contains 22 as substring.

Together with 103021402051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103021402009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51510701024 + 51510701025.

It is an arithmetic number, because the mean of its divisors is an integer number (51510701025).

Almost surely, 2^103021402049 is an apocalyptic number.

It is an amenable number.

103021402049 is a deficient number, since it is larger than the sum of its proper divisors (1).

103021402049 is an equidigital number, since it uses as much as digits as its factorization.

103021402049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 103021402049 in words is "one hundred three billion, twenty-one million, four hundred two thousand, forty-nine".