2100530420104 has 16 divisors (see below), whose sum is σ = 3938518342620. Its totient is φ = 1050258862080.

The previous prime is 2100530420101. The next prime is 2100530420113. The reversal of 2100530420104 is 4010240350012.

It can be written as a sum of positive squares in 2 ways, for example, as 1976695402500 + 123835017604 = 1405950^2 + 351902^2 .

It is not an unprimeable number, because it can be changed into a prime (2100530420101) 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 in 3 ways as a sum of consecutive naturals, for example, 801384 + ... + 2200744.

Almost surely, 2^{2100530420104} is an apocalyptic number.

It is an amenable number.

2100530420104 is a deficient number, since it is larger than the sum of its proper divisors (1837987922516).

2100530420104 is a wasteful number, since it uses less digits than its factorization.

2100530420104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587000 (or 1586996 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 2100530420104 its reverse (4010240350012), we get a palindrome (6110770770116).

The spelling of 2100530420104 in words is "two trillion, one hundred billion, five hundred thirty million, four hundred twenty thousand, one hundred four".