101421003049 has 2 divisors, whose sum is σ = 101421003050. Its totient is φ = 101421003048.

The previous prime is 101421003037. The next prime is 101421003169. The reversal of 101421003049 is 940300124101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63684055449 + 37736947600 = 252357^2 + 194260^2 .

It is a cyclic number.

It is not a de Polignac number, because 101421003049 - 2²⁹ = 100884132137 is a prime.

It is not a weakly prime, because it can be changed into another prime (101421009049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50710501524 + 50710501525.

It is an arithmetic number, because the mean of its divisors is an integer number (50710501525).

Almost surely, 2^101421003049 is an apocalyptic number.

It is an amenable number.

101421003049 is a deficient number, since it is larger than the sum of its proper divisors (1).

101421003049 is an equidigital number, since it uses as much as digits as its factorization.

101421003049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 101421003049 in words is "one hundred one billion, four hundred twenty-one million, three thousand, forty-nine".